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Pilea microphylla

(L.) Liebm. (1851)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Rosales Family: Urticaceae Genus: Pilea

artillery plant, gunpowder plant, rockweed

Description

Key Characters:

Growth Form: Annual or short-lived perennial herbs.

Stems: Stems succulent, sometimes slightly woody at base, spreading or cespitose, 5–50 cm long, stems diffuse, branched.

Roots:

Leaves: Leaves simple. Opposite, crowded throughout stem length. Blades obovate, elliptic, oblanceolate, or oblong; 2–10 mm long, 1–4 mm wide, those of a pair very unequal in size, sometimes some branches with leaves of a pair equal or all leaves of plant equal, 1–nerved. Upper surfaces with crowded elliptic cystoliths; lower surfaces finely reticulate. Margins entire. Petioles 1–4 mm long, always shorter than the blade. Stipules ca. 1 mm long.

Flowers: Flowers in sessile glomerules or cymes, peduncles 1–6 mm long. Flowers unisexual (and the plants monoecious or dioecious). Calyx lobes glabrous, each with a blunt, dorsal, apiculate appendage; outer Calyx lobe slightly longer than others with inconspicuous dorsal, apiculate appendages. Corolla (petals) absent. Staminate flowers 0.6–1 mm long; filaments incurved in bud, elastically reflexed when pollen is shed; anthers dithecal, opening by longitudinal slits. Ovary superior (pistillate flowers), 0.8–1 mm long, psuedomonomerous, 1-celled; ovule 1, basal; style 1; staminate flower ovary vestigial and sterile.

Fruit: Achenes uniformly light brown; slightly compressed; ovoid-cylindric; ca. 0.5(-1.1) × 0.3 mm; smooth. Achenes ellipsoid; compressed; 0.5–1 mm long; slightly longer than the largest calyx lobe. Seeds 1 per achene.

Ploidy: 2n = 36

Habitat: Mesic; disturbed areas.

Elevation Range: Low elevation.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Kuaihelani (Midway Atoll) Naturalized
Kaua'i Naturalized
O'ahu Naturalized
Molokai Naturalized
Lana'i Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents

Other Animals

Vegetative Reproduction

Pollinators

Bibliography

Name Published In: Mexic. Neldeagt. Pl.: 18 (1851)

Other References

Wagner et al. 1990:1306 (K, O, M, H); Wagner & Herbst 1995:26/Shannon & Wagner 1996:14 (Mi); Oppenheimer & Bartlett 2002:12 (L); Staples & Herbst 2005:553 (KEY), 554 (DESCR); Oppenheimer 2006:14 (Mo)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Pilea microphylla tantalus, 4400 tantalus dr, switchback below puu ohia trailhead Mesic wet forest, disturbed roadside PRESERVED_SPECIMEN g. j. ray 37 NY 8/16/1997
2 Pilea microphylla Tantalus, 4400 Tantalus Dr, switchback below Puu Ohia trailhead Mesic wet forest, disturbed roadside PRESERVED_SPECIMEN G. J. Ray 37 NY 8/16/1997
3 Pilea microphylla hanalei district, lumahai, ridge climbing to west side along proposed "middle" fence-line. PRESERVED_SPECIMEN k. r. wood, c. statler & m. brimhall 17496 NY 8/2/2017
4 Pilea microphylla The Kauai Agricultural Research Center near Wailua Homesteads. A pest of pots, gardens and disturbed soil. PRESERVED_SPECIMEN Kelsey Brock 716 Kauai PTBG 9/9/2015
5 Pilea microphylla KAUAI: Above Wailua, Wailua Game Reserve. Vegetation on plots stripmined for bauxite ore in 1958-60. Area variously treated with lime and fertilizer. Now residual pasture. PRESERVED_SPECIMEN Richard A. Howard 20272 Kauai PTBG 10/20/1985
6 Pilea microphylla E. Maui, Keanae. Unimproved road mauka of Hana Hwy., vicinity of Waiokamilo Stream. Metrosideros/Dicranopteris wet forest. PRESERVED_SPECIMEN Hank Oppenheimer H60070 Maui PTBG 6/18/2000
7 Pilea microphylla MAUI: Hana District, Kauiki, on the eastern side of Hana Bay. Elev. 0-386 ft. Dominated by Casuarina planted in late 1930's but with numerous other alien species (Terminalia, Syzygium, Ardisia). PRESERVED_SPECIMEN Tim Flynn 2514 Maui PTBG 10/21/1987
8 Pilea microphylla KAUAI: Hanalei District. Limahuli Valley. Secondary forest along stream in valley bottom. Dominated by Psidium, Aleurites and Schefflera with scattered Metrosideros, Pisonia and Hedyotis. Elev. 300-400 ft. PRESERVED_SPECIMEN Tim Flynn 2321 Kauai PTBG 8/20/1987
9 Pilea microphylla KAUAI: Haupu Range; north facing mesic forest; just below and along cliffs on west side of summit, Mesic forest with relict native species, Pisonia, Diospyros, Acacia, Hedyotis acuminata, Pipturus spp., Psychotria spp., Cyanea hardyi, Artemisia australis, Bidens spp PRESERVED_SPECIMEN K. R. Wood 7485 Kauai PTBG 9/23/1998
10 Pilea microphylla Nursery weed west of Kaunakakai. PRESERVED_SPECIMEN Hank Oppenheimer H40407 Molokai PTBG 4/2/2004
11 Pilea microphylla Disturbed roadside on highway side of Kanaha Pond (Haleakala Hwy); dominated by grasses, Pluchea indica and P. symphytifolia. PRESERVED_SPECIMEN W. L. Wagner 5799 Maui PTBG 3/3/1988
12 Pilea microphylla KAUAI: Koloa District, Koloa. In rocks along ditch corssing Koloa Road near Sueoka Store. PRESERVED_SPECIMEN Tim Flynn 1243 Kauai PTBG 10/3/1985
13 Pilea microphylla Hanalei District, Lumahai, ridge climbing to west side along proposed "middle" fence-line. Lowland wet ridge in open forest, along banks of stream PRESERVED_SPECIMEN Wood, K. R.; Statler, C.; Brimhall, M. 17496 Kauai US 8/2/2017
14 Pilea microphylla Lumahai, ridge climbing to west side along proposed "middle" fence-line. Metrosideros-Dicranopteris lowland wet ridge, PRESERVED_SPECIMEN K. R. Wood 17496 Kauai PTBG 8/2/2017
15 Pilea microphylla Halelea Dist; Limahuli Valley. PRESERVED_SPECIMEN Flynn, T. W. 3766 Kauai US 2/15/1990
16 Pilea microphylla Hilo PRESERVED_SPECIMEN Hitchcock, A. S. 14154 Hawaii US 8/17/2016
17 Pilea microphylla makawao district, disturbed roadside on haleakala highway side of kanaha pond PRESERVED_SPECIMEN w. l. wagner, c. imada & w. n. takeuchi 5799 Maui US 3/3/1988
18 Pilea microphylla Bishop Museum Grounds, next to mail trailer between Paki and Pauahi. PRESERVED_SPECIMEN L. Crago 2005-004 Oahu US 1/12/2005
19 Pilea microphylla Hanalei District, Lumahai, ridge climbing to west side along proposed "middle" fence-line. Lowland wet ridge in open forest, along banks of stream PRESERVED_SPECIMEN K. R. Wood, C. Statler & M. Brimhall 17496 Kauai US 8/2/2017
20 Pilea microphylla bishop museum grounds, next to mail trailer between paki and pauahi. PRESERVED_SPECIMEN l. crago 2005-004 Oahu US 1/12/2005
21 Pilea microphylla hilo PRESERVED_SPECIMEN a. s. hitchcock 14154 Kauai US 8/17/1916
22 Pilea microphylla halelea dist; limahuli valley. PRESERVED_SPECIMEN t. w. flynn 3766 Kauai US 2/15/1990
23 Pilea microphylla Bishop Museum Grounds, next to mail trailer between Paki and Pauahi. PRESERVED_SPECIMEN Crago, L. M. 2005-004 Oahu US 1/12/2005
24 Pilea microphylla Honolulu, 4400 Tantalus Dr. wet forest; roadside; with Heliocarpus popayanensis, Impatien. PRESERVED_SPECIMEN Ray, G. 37 Oahu BISH 8/16/1997
25 Pilea microphylla Makawao District, disturbed roadside on Haleakala Highway side of Kanaha Pond PRESERVED_SPECIMEN Wagner, W. L.; Imada, C. T.; Takeuchi, W. N. 5799 Maui US 3/3/1988
26 Pilea microphylla Honolulu, Manoa, steps of Pan Pacific Union PRESERVED_SPECIMEN Brown, F.B.H. 1262 Oahu BISH 6/1/1925
27 Pilea microphylla east maui, hana, kauiki, on the eastern side of hana bay Terminalia grove behind Community building. Dominated by Casuarina planted in the late 1930's but with numerous other alien species, Terminalia, Syzygium PRESERVED_SPECIMEN flynn, t. bub, p. collector number: 2514 Maui BISH 10/21/1987
28 Pilea microphylla Hilo, Keaukaha, Richardson's beach rock wall, pavement PRESERVED_SPECIMEN Cuddihy, L.W. 2067 Hawaii BISH 8/8/1987
29 Pilea microphylla W of Kaunakakai Nursery. PRESERVED_SPECIMEN Oppenheimer, H.L. Collector Number: H40407 Molokai BISH 4/2/2004
30 Pilea microphylla East Maui, Hana, Kauiki, on the eastern side of Hana Bay Terminalia grove behind Community building. Dominated by Casuarina planted in the late 1930's but with numerous other alien species, Terminalia, Syzygium PRESERVED_SPECIMEN Flynn, T. 2514 Maui BISH 10/21/1987
31 Pilea microphylla slopes of koko crater PRESERVED_SPECIMEN christophersen, e. collector number: 1298 Oahu BISH 4/6/1930
32 Pilea microphylla honolulu, manoa, steps of pan pacific union PRESERVED_SPECIMEN brown, f.b.h. collector number: 1262 Oahu BISH 6/1/1925
33 Pilea microphylla pali In sparse woods on moist ridge. PRESERVED_SPECIMEN kerr, m. Oahu BISH 7/4/1945
34 Pilea microphylla Bishop Museum Grounds, next to mail trailor beween Paki and Pauahi Moist wet soil collections in asphault under edges of trailor. PRESERVED_SPECIMEN Crago, L.M. Collector Number: 2005-004 Oahu BISH 1/12/2005
35 Pilea microphylla Honolulu, 42 Coelho Way volunteer in flower pot PRESERVED_SPECIMEN Neal, M.C. s.n. Oahu BISH 6/4/1961
36 Pilea microphylla S of road next to Lumahuli Stream In an abandoned garden with many exotic introdictions. PRESERVED_SPECIMEN Corn, C. s.n. Kauai BISH 6/16/1978
37 Pilea microphylla honolulu, 42 coelho way volunteer in flower pot PRESERVED_SPECIMEN neal, m.c. Oahu BISH 6/4/1961
38 Pilea microphylla Honolulu, Manoa, Univ. Hawaii campus wayside PRESERVED_SPECIMEN Egler, F.E. 37-425 Oahu BISH 8/26/1937
39 Pilea microphylla Kailua roadside PRESERVED_SPECIMEN Kondo, Y. s.n. Oahu BISH 6/24/1945
40 Pilea microphylla Koele Growing on rocks. PRESERVED_SPECIMEN Oppenheimer, H.L. Collector Number: H109930 Lanai BISH 10/25/1999
41 Pilea microphylla Honolulu, 4400 Tantalus Dr. wet forest; roadside; with Heliocarpus popayanensis, Impatien. PRESERVED_SPECIMEN Ray, G. Gibney, E. Collector Number: 37 Oahu BISH 8/16/1997
42 Pilea microphylla sand island Moderately dry mesic ohia forest, with Aleurites and Eugenia malaccensis common in moister gullies. On shaded, damp rocks in Aleurites-dominated gully. PRESERVED_SPECIMEN herbst, d.r. takeuchi, w.n. collector number: 9069 Oahu BISH 7/6/1988
43 Pilea microphylla koele Growing on rocks. PRESERVED_SPECIMEN oppenheimer, h.l. collector number: h109930 Lanai BISH 10/25/1999
44 Pilea microphylla S of road next to Lumahuli Stream In an abandoned garden with many exotic introdictions. PRESERVED_SPECIMEN Corn, C. Collector Number: s.n. Kauai BISH 6/16/1978
45 Pilea microphylla from her yard PRESERVED_SPECIMEN Suenaga, B. s.n. Oahu BISH 6/24/1985
46 Pilea microphylla lihue cracks in crumbling asphalt PRESERVED_SPECIMEN takeuchi, w.n. Kauai BISH 5/1/1983
47 Pilea microphylla from her yard PRESERVED_SPECIMEN suenaga, b. Oahu BISH 6/24/1985
48 Pilea microphylla honolulu, 4400 tantalus dr. Lower part of S facing wall. Diverse mesic forest. Collected above eroded wshout with Cryptocarya, Pleomele, Dodonaea, Boehmeria, Dispyros sandwicensis, Alyxia stellata, Sida fallax, Psychotria, Pritchardia, Metrosideros, Nestegis, Lantana, Kalanchoe pinnata, Buddleia asiatica. PRESERVED_SPECIMEN ray, g. gibney, e. collector number: 37 Kauai BISH 8/16/1997
49 Pilea microphylla bishop museum grounds, next to mail trailor beween paki and pauahi PRESERVED_SPECIMEN crago, l.m. collector number: 2005-004 Oahu BISH 1/12/2005
50 Pilea microphylla Kailua roadside PRESERVED_SPECIMEN Kondo, Y. Oahu BISH 6/24/1945
51 Pilea microphylla honolulu, manoa, univ. hawaii campus wayside PRESERVED_SPECIMEN egler, f.e. collector number: 37-425 Oahu BISH 8/26/1937
52 Pilea microphylla Koele Growing on rocks. PRESERVED_SPECIMEN Oppenheimer, H.L. H109930 Lanai BISH 10/25/1999
53 Pilea microphylla Makawao, highway side of Kanaha Rd disturbed roadside; dominated by grasses, Pluchea indica and P. symphytifolia PRESERVED_SPECIMEN Wagner, W.L. 5799 Maui BISH 3/3/1988
54 Pilea microphylla Bishop Museum Grounds, next to mail trailor beween Paki and Pauahi Moist wet soil collections in asphault under edges of trailor. PRESERVED_SPECIMEN Crago, L.M. 2005-004 Oahu BISH 1/12/2005
55 Pilea microphylla Wailua Game Reserve plots stripmined for bauxite ore in 1958-60. Area variously treated with lime and fertilizer. Now residual pasture. On bare areas and slopes PRESERVED_SPECIMEN Howard, R.A. 20272 Kauai BISH 10/20/1985
56 Pilea microphylla hilo, keaukaha, richardson's beach rock wall, pavement PRESERVED_SPECIMEN cuddihy, l.w. collector number: 2067 Hawaii BISH 8/8/1987
57 Pilea microphylla kailua roadside PRESERVED_SPECIMEN kondo, y. Oahu BISH 6/24/1945
58 Pilea microphylla W of Kaunakakai PRESERVED_SPECIMEN L. Crago 2005-004 Molokai HAPI 1/12/2005
59 Pilea microphylla Sand Island PreservedSpecimen Herbst, D.R. Takeuchi, W.N. Collector Number: 9069 Midway Atoll BISH Specimen 7/6/1988
60 Pilea microphylla Pali PRESERVED_SPECIMEN Kerr, M. s.n. Oahu BISH 7/4/1945
61 Pilea microphylla Honolulu, 4400 Tantalus Dr. Mesic wet forest, disturbed roadside PRESERVED_SPECIMEN G. J. Ray 37 Oahu HAPI 8/16/1997
62 Pilea microphylla slopes of Koko crater PRESERVED_SPECIMEN Christophersen, E. 1298 Oahu BISH 4/6/1930
63 Pilea microphylla s of road next to lumahuli stream PRESERVED_SPECIMEN corn, c. collector number: s.n. Oahu BISH 6/16/1978
64 Pilea microphylla makawao, highway side of kanaha rd disturbed roadside; dominated by grasses, Pluchea indica and P. symphytifolia PRESERVED_SPECIMEN wagner, w.l. imada, c.; takeuchi, w. collector number: 5799 Maui BISH 3/3/1988
65 Pilea microphylla w of kaunakakai Nursery. PRESERVED_SPECIMEN oppenheimer, h.l. collector number: h40407 Molokai BISH 4/2/2004
66 Pilea microphylla wailua game reserve plots stripmined for bauxite ore in 1958-60. Area variously treated with lime and fertilizer. Now residual pasture. On bare areas and slopes PRESERVED_SPECIMEN howard, r.a. collector number: 20272 Kauai BISH 10/20/1985
67 Pilea microphylla W of Kaunakakai Nursery. PRESERVED_SPECIMEN Oppenheimer, H.L. H40407 Molokai BISH 4/2/2004
68 Pilea microphylla Lihue cracks in crumbling asphalt PRESERVED_SPECIMEN Takeuchi, W.N. s.n. Kauai BISH 5/1/1983
69 Pilea microphylla bishop museum grounds, next to mail trailor beween paki and pauahi Top of talus slope below sea cliff. West exposure, slope 40- 60 degrees. Sparsely vegetated. PRESERVED_SPECIMEN crago, l.m. collector number: 2005-004 Kahoolawe BISH 1/12/2005
70 Pilea microphylla Sand Island PRESERVED_SPECIMEN Herbst, D.R. 9069 Midway Atoll BISH 7/6/1988
71 Pilea microphylla east Maui, Makawao District, Makawao, east side of Kailua Gulch PRESERVED_SPECIMEN Duvall, F. s.n. Maui BISH 7/28/2012
72 Pilea microphylla tantalus, 4400 tantalus dr, switchback below puu ohia trailhead Mesic wet forest, disturbed roadside PRESERVED_SPECIMEN g. j. ray 37 NY 8/16/1997
73 Pilea microphylla Tantalus, 4400 Tantalus Dr, switchback below Puu Ohia trailhead Mesic wet forest, disturbed roadside PRESERVED_SPECIMEN G. J. Ray 37 NY 8/16/1997
74 Pilea microphylla hanalei district, lumahai, ridge climbing to west side along proposed "middle" fence-line. PRESERVED_SPECIMEN k. r. wood, c. statler & m. brimhall 17496 NY 8/2/2017
75 Pilea microphylla The Kauai Agricultural Research Center near Wailua Homesteads. A pest of pots, gardens and disturbed soil. PRESERVED_SPECIMEN Kelsey Brock 716 Kauai PTBG 9/9/2015
76 Pilea microphylla KAUAI: Above Wailua, Wailua Game Reserve. Vegetation on plots stripmined for bauxite ore in 1958-60. Area variously treated with lime and fertilizer. Now residual pasture. PRESERVED_SPECIMEN Richard A. Howard 20272 Kauai PTBG 10/20/1985
77 Pilea microphylla E. Maui, Keanae. Unimproved road mauka of Hana Hwy., vicinity of Waiokamilo Stream. Metrosideros/Dicranopteris wet forest. PRESERVED_SPECIMEN Hank Oppenheimer H60070 Maui PTBG 6/18/2000
78 Pilea microphylla MAUI: Hana District, Kauiki, on the eastern side of Hana Bay. Elev. 0-386 ft. Dominated by Casuarina planted in late 1930's but with numerous other alien species (Terminalia, Syzygium, Ardisia). PRESERVED_SPECIMEN Tim Flynn 2514 Maui PTBG 10/21/1987
79 Pilea microphylla KAUAI: Hanalei District. Limahuli Valley. Secondary forest along stream in valley bottom. Dominated by Psidium, Aleurites and Schefflera with scattered Metrosideros, Pisonia and Hedyotis. Elev. 300-400 ft. PRESERVED_SPECIMEN Tim Flynn 2321 Kauai PTBG 8/20/1987
80 Pilea microphylla KAUAI: Haupu Range; north facing mesic forest; just below and along cliffs on west side of summit, Mesic forest with relict native species, Pisonia, Diospyros, Acacia, Hedyotis acuminata, Pipturus spp., Psychotria spp., Cyanea hardyi, Artemisia australis, Bidens spp PRESERVED_SPECIMEN K. R. Wood 7485 Kauai PTBG 9/23/1998
81 Pilea microphylla Nursery weed west of Kaunakakai. PRESERVED_SPECIMEN Hank Oppenheimer H40407 Molokai PTBG 4/2/2004
82 Pilea microphylla Disturbed roadside on highway side of Kanaha Pond (Haleakala Hwy); dominated by grasses, Pluchea indica and P. symphytifolia. PRESERVED_SPECIMEN W. L. Wagner 5799 Maui PTBG 3/3/1988
83 Pilea microphylla KAUAI: Koloa District, Koloa. In rocks along ditch corssing Koloa Road near Sueoka Store. PRESERVED_SPECIMEN Tim Flynn 1243 Kauai PTBG 10/3/1985
84 Pilea microphylla Hanalei District, Lumahai, ridge climbing to west side along proposed "middle" fence-line. Lowland wet ridge in open forest, along banks of stream PRESERVED_SPECIMEN Wood, K. R.; Statler, C.; Brimhall, M. 17496 Kauai US 8/2/2017
85 Pilea microphylla Lumahai, ridge climbing to west side along proposed "middle" fence-line. Metrosideros-Dicranopteris lowland wet ridge, PRESERVED_SPECIMEN K. R. Wood 17496 Kauai PTBG 8/2/2017
86 Pilea microphylla Halelea Dist; Limahuli Valley. PRESERVED_SPECIMEN Flynn, T. W. 3766 Kauai US 2/15/1990
87 Pilea microphylla Hilo PRESERVED_SPECIMEN Hitchcock, A. S. 14154 Hawaii US 8/17/2016
88 Pilea microphylla makawao district, disturbed roadside on haleakala highway side of kanaha pond PRESERVED_SPECIMEN w. l. wagner, c. imada & w. n. takeuchi 5799 Maui US 3/3/1988
89 Pilea microphylla Bishop Museum Grounds, next to mail trailer between Paki and Pauahi. PRESERVED_SPECIMEN L. Crago 2005-004 Oahu US 1/12/2005
90 Pilea microphylla Hanalei District, Lumahai, ridge climbing to west side along proposed "middle" fence-line. Lowland wet ridge in open forest, along banks of stream PRESERVED_SPECIMEN K. R. Wood, C. Statler & M. Brimhall 17496 Kauai US 8/2/2017
91 Pilea microphylla bishop museum grounds, next to mail trailer between paki and pauahi. PRESERVED_SPECIMEN l. crago 2005-004 Oahu US 1/12/2005
92 Pilea microphylla hilo PRESERVED_SPECIMEN a. s. hitchcock 14154 Kauai US 8/17/1916
93 Pilea microphylla halelea dist; limahuli valley. PRESERVED_SPECIMEN t. w. flynn 3766 Kauai US 2/15/1990
94 Pilea microphylla Bishop Museum Grounds, next to mail trailer between Paki and Pauahi. PRESERVED_SPECIMEN Crago, L. M. 2005-004 Oahu US 1/12/2005
95 Pilea microphylla Honolulu, 4400 Tantalus Dr. wet forest; roadside; with Heliocarpus popayanensis, Impatien. PRESERVED_SPECIMEN Ray, G. 37 Oahu BISH 8/16/1997
96 Pilea microphylla Makawao District, disturbed roadside on Haleakala Highway side of Kanaha Pond PRESERVED_SPECIMEN Wagner, W. L.; Imada, C. T.; Takeuchi, W. N. 5799 Maui US 3/3/1988
97 Pilea microphylla Honolulu, Manoa, steps of Pan Pacific Union PRESERVED_SPECIMEN Brown, F.B.H. 1262 Oahu BISH 6/1/1925
98 Pilea microphylla east maui, hana, kauiki, on the eastern side of hana bay Terminalia grove behind Community building. Dominated by Casuarina planted in the late 1930's but with numerous other alien species, Terminalia, Syzygium PRESERVED_SPECIMEN flynn, t. bub, p. collector number: 2514 Maui BISH 10/21/1987
99 Pilea microphylla Hilo, Keaukaha, Richardson's beach rock wall, pavement PRESERVED_SPECIMEN Cuddihy, L.W. 2067 Hawaii BISH 8/8/1987
100 Pilea microphylla W of Kaunakakai Nursery. PRESERVED_SPECIMEN Oppenheimer, H.L. Collector Number: H40407 Molokai BISH 4/2/2004
101 Pilea microphylla East Maui, Hana, Kauiki, on the eastern side of Hana Bay Terminalia grove behind Community building. Dominated by Casuarina planted in the late 1930's but with numerous other alien species, Terminalia, Syzygium PRESERVED_SPECIMEN Flynn, T. 2514 Maui BISH 10/21/1987
102 Pilea microphylla slopes of koko crater PRESERVED_SPECIMEN christophersen, e. collector number: 1298 Oahu BISH 4/6/1930
103 Pilea microphylla honolulu, manoa, steps of pan pacific union PRESERVED_SPECIMEN brown, f.b.h. collector number: 1262 Oahu BISH 6/1/1925
104 Pilea microphylla pali In sparse woods on moist ridge. PRESERVED_SPECIMEN kerr, m. Oahu BISH 7/4/1945
105 Pilea microphylla Bishop Museum Grounds, next to mail trailor beween Paki and Pauahi Moist wet soil collections in asphault under edges of trailor. PRESERVED_SPECIMEN Crago, L.M. Collector Number: 2005-004 Oahu BISH 1/12/2005
106 Pilea microphylla Honolulu, 42 Coelho Way volunteer in flower pot PRESERVED_SPECIMEN Neal, M.C. s.n. Oahu BISH 6/4/1961
107 Pilea microphylla S of road next to Lumahuli Stream In an abandoned garden with many exotic introdictions. PRESERVED_SPECIMEN Corn, C. s.n. Kauai BISH 6/16/1978
108 Pilea microphylla honolulu, 42 coelho way volunteer in flower pot PRESERVED_SPECIMEN neal, m.c. Oahu BISH 6/4/1961
109 Pilea microphylla Honolulu, Manoa, Univ. Hawaii campus wayside PRESERVED_SPECIMEN Egler, F.E. 37-425 Oahu BISH 8/26/1937
110 Pilea microphylla Kailua roadside PRESERVED_SPECIMEN Kondo, Y. s.n. Oahu BISH 6/24/1945
111 Pilea microphylla Koele Growing on rocks. PRESERVED_SPECIMEN Oppenheimer, H.L. Collector Number: H109930 Lanai BISH 10/25/1999
112 Pilea microphylla Honolulu, 4400 Tantalus Dr. wet forest; roadside; with Heliocarpus popayanensis, Impatien. PRESERVED_SPECIMEN Ray, G. Gibney, E. Collector Number: 37 Oahu BISH 8/16/1997
113 Pilea microphylla sand island Moderately dry mesic ohia forest, with Aleurites and Eugenia malaccensis common in moister gullies. On shaded, damp rocks in Aleurites-dominated gully. PRESERVED_SPECIMEN herbst, d.r. takeuchi, w.n. collector number: 9069 Oahu BISH 7/6/1988
114 Pilea microphylla koele Growing on rocks. PRESERVED_SPECIMEN oppenheimer, h.l. collector number: h109930 Lanai BISH 10/25/1999
115 Pilea microphylla S of road next to Lumahuli Stream In an abandoned garden with many exotic introdictions. PRESERVED_SPECIMEN Corn, C. Collector Number: s.n. Kauai BISH 6/16/1978
116 Pilea microphylla from her yard PRESERVED_SPECIMEN Suenaga, B. s.n. Oahu BISH 6/24/1985
117 Pilea microphylla lihue cracks in crumbling asphalt PRESERVED_SPECIMEN takeuchi, w.n. Kauai BISH 5/1/1983
118 Pilea microphylla from her yard PRESERVED_SPECIMEN suenaga, b. Oahu BISH 6/24/1985
119 Pilea microphylla honolulu, 4400 tantalus dr. Lower part of S facing wall. Diverse mesic forest. Collected above eroded wshout with Cryptocarya, Pleomele, Dodonaea, Boehmeria, Dispyros sandwicensis, Alyxia stellata, Sida fallax, Psychotria, Pritchardia, Metrosideros, Nestegis, Lantana, Kalanchoe pinnata, Buddleia asiatica. PRESERVED_SPECIMEN ray, g. gibney, e. collector number: 37 Kauai BISH 8/16/1997
120 Pilea microphylla bishop museum grounds, next to mail trailor beween paki and pauahi PRESERVED_SPECIMEN crago, l.m. collector number: 2005-004 Oahu BISH 1/12/2005
121 Pilea microphylla Kailua roadside PRESERVED_SPECIMEN Kondo, Y. Oahu BISH 6/24/1945
122 Pilea microphylla honolulu, manoa, univ. hawaii campus wayside PRESERVED_SPECIMEN egler, f.e. collector number: 37-425 Oahu BISH 8/26/1937
123 Pilea microphylla Koele Growing on rocks. PRESERVED_SPECIMEN Oppenheimer, H.L. H109930 Lanai BISH 10/25/1999
124 Pilea microphylla Makawao, highway side of Kanaha Rd disturbed roadside; dominated by grasses, Pluchea indica and P. symphytifolia PRESERVED_SPECIMEN Wagner, W.L. 5799 Maui BISH 3/3/1988
125 Pilea microphylla Bishop Museum Grounds, next to mail trailor beween Paki and Pauahi Moist wet soil collections in asphault under edges of trailor. PRESERVED_SPECIMEN Crago, L.M. 2005-004 Oahu BISH 1/12/2005
126 Pilea microphylla Wailua Game Reserve plots stripmined for bauxite ore in 1958-60. Area variously treated with lime and fertilizer. Now residual pasture. On bare areas and slopes PRESERVED_SPECIMEN Howard, R.A. 20272 Kauai BISH 10/20/1985
127 Pilea microphylla hilo, keaukaha, richardson's beach rock wall, pavement PRESERVED_SPECIMEN cuddihy, l.w. collector number: 2067 Hawaii BISH 8/8/1987
128 Pilea microphylla kailua roadside PRESERVED_SPECIMEN kondo, y. Oahu BISH 6/24/1945
129 Pilea microphylla W of Kaunakakai PRESERVED_SPECIMEN L. Crago 2005-004 Molokai HAPI 1/12/2005
130 Pilea microphylla Sand Island PreservedSpecimen Herbst, D.R. Takeuchi, W.N. Collector Number: 9069 Midway Atoll BISH Specimen 7/6/1988
131 Pilea microphylla Pali PRESERVED_SPECIMEN Kerr, M. s.n. Oahu BISH 7/4/1945
132 Pilea microphylla Honolulu, 4400 Tantalus Dr. Mesic wet forest, disturbed roadside PRESERVED_SPECIMEN G. J. Ray 37 Oahu HAPI 8/16/1997
133 Pilea microphylla slopes of Koko crater PRESERVED_SPECIMEN Christophersen, E. 1298 Oahu BISH 4/6/1930
134 Pilea microphylla s of road next to lumahuli stream PRESERVED_SPECIMEN corn, c. collector number: s.n. Oahu BISH 6/16/1978
135 Pilea microphylla makawao, highway side of kanaha rd disturbed roadside; dominated by grasses, Pluchea indica and P. symphytifolia PRESERVED_SPECIMEN wagner, w.l. imada, c.; takeuchi, w. collector number: 5799 Maui BISH 3/3/1988
136 Pilea microphylla w of kaunakakai Nursery. PRESERVED_SPECIMEN oppenheimer, h.l. collector number: h40407 Molokai BISH 4/2/2004
137 Pilea microphylla wailua game reserve plots stripmined for bauxite ore in 1958-60. Area variously treated with lime and fertilizer. Now residual pasture. On bare areas and slopes PRESERVED_SPECIMEN howard, r.a. collector number: 20272 Kauai BISH 10/20/1985
138 Pilea microphylla W of Kaunakakai Nursery. PRESERVED_SPECIMEN Oppenheimer, H.L. H40407 Molokai BISH 4/2/2004
139 Pilea microphylla Lihue cracks in crumbling asphalt PRESERVED_SPECIMEN Takeuchi, W.N. s.n. Kauai BISH 5/1/1983
140 Pilea microphylla bishop museum grounds, next to mail trailor beween paki and pauahi Top of talus slope below sea cliff. West exposure, slope 40- 60 degrees. Sparsely vegetated. PRESERVED_SPECIMEN crago, l.m. collector number: 2005-004 Kahoolawe BISH 1/12/2005
141 Pilea microphylla Sand Island PRESERVED_SPECIMEN Herbst, D.R. 9069 Midway Atoll BISH 7/6/1988
142 Pilea microphylla east Maui, Makawao District, Makawao, east side of Kailua Gulch PRESERVED_SPECIMEN Duvall, F. s.n. Maui BISH 7/28/2012
143 Pilea microphylla tantalus, 4400 tantalus dr, switchback below puu ohia trailhead Mesic wet forest, disturbed roadside PRESERVED_SPECIMEN g. j. ray 37 NY 8/16/1997
144 Pilea microphylla Tantalus, 4400 Tantalus Dr, switchback below Puu Ohia trailhead Mesic wet forest, disturbed roadside PRESERVED_SPECIMEN G. J. Ray 37 NY 8/16/1997
145 Pilea microphylla hanalei district, lumahai, ridge climbing to west side along proposed "middle" fence-line. PRESERVED_SPECIMEN k. r. wood, c. statler & m. brimhall 17496 NY 8/2/2017
146 Pilea microphylla The Kauai Agricultural Research Center near Wailua Homesteads. A pest of pots, gardens and disturbed soil. PRESERVED_SPECIMEN Kelsey Brock 716 Kauai PTBG 9/9/2015
147 Pilea microphylla KAUAI: Above Wailua, Wailua Game Reserve. Vegetation on plots stripmined for bauxite ore in 1958-60. Area variously treated with lime and fertilizer. Now residual pasture. PRESERVED_SPECIMEN Richard A. Howard 20272 Kauai PTBG 10/20/1985
148 Pilea microphylla E. Maui, Keanae. Unimproved road mauka of Hana Hwy., vicinity of Waiokamilo Stream. Metrosideros/Dicranopteris wet forest. PRESERVED_SPECIMEN Hank Oppenheimer H60070 Maui PTBG 6/18/2000
149 Pilea microphylla MAUI: Hana District, Kauiki, on the eastern side of Hana Bay. Elev. 0-386 ft. Dominated by Casuarina planted in late 1930's but with numerous other alien species (Terminalia, Syzygium, Ardisia). PRESERVED_SPECIMEN Tim Flynn 2514 Maui PTBG 10/21/1987
150 Pilea microphylla KAUAI: Hanalei District. Limahuli Valley. Secondary forest along stream in valley bottom. Dominated by Psidium, Aleurites and Schefflera with scattered Metrosideros, Pisonia and Hedyotis. Elev. 300-400 ft. PRESERVED_SPECIMEN Tim Flynn 2321 Kauai PTBG 8/20/1987
151 Pilea microphylla KAUAI: Haupu Range; north facing mesic forest; just below and along cliffs on west side of summit, Mesic forest with relict native species, Pisonia, Diospyros, Acacia, Hedyotis acuminata, Pipturus spp., Psychotria spp., Cyanea hardyi, Artemisia australis, Bidens spp PRESERVED_SPECIMEN K. R. Wood 7485 Kauai PTBG 9/23/1998
152 Pilea microphylla Nursery weed west of Kaunakakai. PRESERVED_SPECIMEN Hank Oppenheimer H40407 Molokai PTBG 4/2/2004
153 Pilea microphylla Disturbed roadside on highway side of Kanaha Pond (Haleakala Hwy); dominated by grasses, Pluchea indica and P. symphytifolia. PRESERVED_SPECIMEN W. L. Wagner 5799 Maui PTBG 3/3/1988
154 Pilea microphylla KAUAI: Koloa District, Koloa. In rocks along ditch corssing Koloa Road near Sueoka Store. PRESERVED_SPECIMEN Tim Flynn 1243 Kauai PTBG 10/3/1985
155 Pilea microphylla Hanalei District, Lumahai, ridge climbing to west side along proposed "middle" fence-line. Lowland wet ridge in open forest, along banks of stream PRESERVED_SPECIMEN Wood, K. R.; Statler, C.; Brimhall, M. 17496 Kauai US 8/2/2017
156 Pilea microphylla Lumahai, ridge climbing to west side along proposed "middle" fence-line. Metrosideros-Dicranopteris lowland wet ridge, PRESERVED_SPECIMEN K. R. Wood 17496 Kauai PTBG 8/2/2017
157 Pilea microphylla Halelea Dist; Limahuli Valley. PRESERVED_SPECIMEN Flynn, T. W. 3766 Kauai US 2/15/1990
158 Pilea microphylla Hilo PRESERVED_SPECIMEN Hitchcock, A. S. 14154 Hawaii US 8/17/2016
159 Pilea microphylla makawao district, disturbed roadside on haleakala highway side of kanaha pond PRESERVED_SPECIMEN w. l. wagner, c. imada & w. n. takeuchi 5799 Maui US 3/3/1988
160 Pilea microphylla Bishop Museum Grounds, next to mail trailer between Paki and Pauahi. PRESERVED_SPECIMEN L. Crago 2005-004 Oahu US 1/12/2005
161 Pilea microphylla Hanalei District, Lumahai, ridge climbing to west side along proposed "middle" fence-line. Lowland wet ridge in open forest, along banks of stream PRESERVED_SPECIMEN K. R. Wood, C. Statler & M. Brimhall 17496 Kauai US 8/2/2017
162 Pilea microphylla bishop museum grounds, next to mail trailer between paki and pauahi. PRESERVED_SPECIMEN l. crago 2005-004 Oahu US 1/12/2005
163 Pilea microphylla hilo PRESERVED_SPECIMEN a. s. hitchcock 14154 Kauai US 8/17/1916
164 Pilea microphylla halelea dist; limahuli valley. PRESERVED_SPECIMEN t. w. flynn 3766 Kauai US 2/15/1990
165 Pilea microphylla Bishop Museum Grounds, next to mail trailer between Paki and Pauahi. PRESERVED_SPECIMEN Crago, L. M. 2005-004 Oahu US 1/12/2005
166 Pilea microphylla Honolulu, 4400 Tantalus Dr. wet forest; roadside; with Heliocarpus popayanensis, Impatien. PRESERVED_SPECIMEN Ray, G. 37 Oahu BISH 8/16/1997
167 Pilea microphylla Makawao District, disturbed roadside on Haleakala Highway side of Kanaha Pond PRESERVED_SPECIMEN Wagner, W. L.; Imada, C. T.; Takeuchi, W. N. 5799 Maui US 3/3/1988
168 Pilea microphylla Honolulu, Manoa, steps of Pan Pacific Union PRESERVED_SPECIMEN Brown, F.B.H. 1262 Oahu BISH 6/1/1925
169 Pilea microphylla east maui, hana, kauiki, on the eastern side of hana bay Terminalia grove behind Community building. Dominated by Casuarina planted in the late 1930's but with numerous other alien species, Terminalia, Syzygium PRESERVED_SPECIMEN flynn, t. bub, p. collector number: 2514 Maui BISH 10/21/1987
170 Pilea microphylla Hilo, Keaukaha, Richardson's beach rock wall, pavement PRESERVED_SPECIMEN Cuddihy, L.W. 2067 Hawaii BISH 8/8/1987
171 Pilea microphylla W of Kaunakakai Nursery. PRESERVED_SPECIMEN Oppenheimer, H.L. Collector Number: H40407 Molokai BISH 4/2/2004
172 Pilea microphylla East Maui, Hana, Kauiki, on the eastern side of Hana Bay Terminalia grove behind Community building. Dominated by Casuarina planted in the late 1930's but with numerous other alien species, Terminalia, Syzygium PRESERVED_SPECIMEN Flynn, T. 2514 Maui BISH 10/21/1987
173 Pilea microphylla slopes of koko crater PRESERVED_SPECIMEN christophersen, e. collector number: 1298 Oahu BISH 4/6/1930
174 Pilea microphylla honolulu, manoa, steps of pan pacific union PRESERVED_SPECIMEN brown, f.b.h. collector number: 1262 Oahu BISH 6/1/1925
175 Pilea microphylla pali In sparse woods on moist ridge. PRESERVED_SPECIMEN kerr, m. Oahu BISH 7/4/1945
176 Pilea microphylla Bishop Museum Grounds, next to mail trailor beween Paki and Pauahi Moist wet soil collections in asphault under edges of trailor. PRESERVED_SPECIMEN Crago, L.M. Collector Number: 2005-004 Oahu BISH 1/12/2005
177 Pilea microphylla Honolulu, 42 Coelho Way volunteer in flower pot PRESERVED_SPECIMEN Neal, M.C. s.n. Oahu BISH 6/4/1961
178 Pilea microphylla S of road next to Lumahuli Stream In an abandoned garden with many exotic introdictions. PRESERVED_SPECIMEN Corn, C. s.n. Kauai BISH 6/16/1978
179 Pilea microphylla honolulu, 42 coelho way volunteer in flower pot PRESERVED_SPECIMEN neal, m.c. Oahu BISH 6/4/1961
180 Pilea microphylla Honolulu, Manoa, Univ. Hawaii campus wayside PRESERVED_SPECIMEN Egler, F.E. 37-425 Oahu BISH 8/26/1937
181 Pilea microphylla Kailua roadside PRESERVED_SPECIMEN Kondo, Y. s.n. Oahu BISH 6/24/1945
182 Pilea microphylla Koele Growing on rocks. PRESERVED_SPECIMEN Oppenheimer, H.L. Collector Number: H109930 Lanai BISH 10/25/1999
183 Pilea microphylla Honolulu, 4400 Tantalus Dr. wet forest; roadside; with Heliocarpus popayanensis, Impatien. PRESERVED_SPECIMEN Ray, G. Gibney, E. Collector Number: 37 Oahu BISH 8/16/1997
184 Pilea microphylla sand island Moderately dry mesic ohia forest, with Aleurites and Eugenia malaccensis common in moister gullies. On shaded, damp rocks in Aleurites-dominated gully. PRESERVED_SPECIMEN herbst, d.r. takeuchi, w.n. collector number: 9069 Oahu BISH 7/6/1988
185 Pilea microphylla koele Growing on rocks. PRESERVED_SPECIMEN oppenheimer, h.l. collector number: h109930 Lanai BISH 10/25/1999
186 Pilea microphylla S of road next to Lumahuli Stream In an abandoned garden with many exotic introdictions. PRESERVED_SPECIMEN Corn, C. Collector Number: s.n. Kauai BISH 6/16/1978
187 Pilea microphylla from her yard PRESERVED_SPECIMEN Suenaga, B. s.n. Oahu BISH 6/24/1985
188 Pilea microphylla lihue cracks in crumbling asphalt PRESERVED_SPECIMEN takeuchi, w.n. Kauai BISH 5/1/1983
189 Pilea microphylla from her yard PRESERVED_SPECIMEN suenaga, b. Oahu BISH 6/24/1985
190 Pilea microphylla honolulu, 4400 tantalus dr. Lower part of S facing wall. Diverse mesic forest. Collected above eroded wshout with Cryptocarya, Pleomele, Dodonaea, Boehmeria, Dispyros sandwicensis, Alyxia stellata, Sida fallax, Psychotria, Pritchardia, Metrosideros, Nestegis, Lantana, Kalanchoe pinnata, Buddleia asiatica. PRESERVED_SPECIMEN ray, g. gibney, e. collector number: 37 Kauai BISH 8/16/1997
191 Pilea microphylla bishop museum grounds, next to mail trailor beween paki and pauahi PRESERVED_SPECIMEN crago, l.m. collector number: 2005-004 Oahu BISH 1/12/2005
192 Pilea microphylla Kailua roadside PRESERVED_SPECIMEN Kondo, Y. Oahu BISH 6/24/1945
193 Pilea microphylla honolulu, manoa, univ. hawaii campus wayside PRESERVED_SPECIMEN egler, f.e. collector number: 37-425 Oahu BISH 8/26/1937
194 Pilea microphylla Koele Growing on rocks. PRESERVED_SPECIMEN Oppenheimer, H.L. H109930 Lanai BISH 10/25/1999
195 Pilea microphylla Makawao, highway side of Kanaha Rd disturbed roadside; dominated by grasses, Pluchea indica and P. symphytifolia PRESERVED_SPECIMEN Wagner, W.L. 5799 Maui BISH 3/3/1988
196 Pilea microphylla Bishop Museum Grounds, next to mail trailor beween Paki and Pauahi Moist wet soil collections in asphault under edges of trailor. PRESERVED_SPECIMEN Crago, L.M. 2005-004 Oahu BISH 1/12/2005
197 Pilea microphylla Wailua Game Reserve plots stripmined for bauxite ore in 1958-60. Area variously treated with lime and fertilizer. Now residual pasture. On bare areas and slopes PRESERVED_SPECIMEN Howard, R.A. 20272 Kauai BISH 10/20/1985
198 Pilea microphylla hilo, keaukaha, richardson's beach rock wall, pavement PRESERVED_SPECIMEN cuddihy, l.w. collector number: 2067 Hawaii BISH 8/8/1987
199 Pilea microphylla kailua roadside PRESERVED_SPECIMEN kondo, y. Oahu BISH 6/24/1945
200 Pilea microphylla W of Kaunakakai PRESERVED_SPECIMEN L. Crago 2005-004 Molokai HAPI 1/12/2005
201 Pilea microphylla Sand Island PreservedSpecimen Herbst, D.R. Takeuchi, W.N. Collector Number: 9069 Midway Atoll BISH Specimen 7/6/1988
202 Pilea microphylla Pali PRESERVED_SPECIMEN Kerr, M. s.n. Oahu BISH 7/4/1945
203 Pilea microphylla Honolulu, 4400 Tantalus Dr. Mesic wet forest, disturbed roadside PRESERVED_SPECIMEN G. J. Ray 37 Oahu HAPI 8/16/1997
204 Pilea microphylla slopes of Koko crater PRESERVED_SPECIMEN Christophersen, E. 1298 Oahu BISH 4/6/1930
205 Pilea microphylla s of road next to lumahuli stream PRESERVED_SPECIMEN corn, c. collector number: s.n. Oahu BISH 6/16/1978
206 Pilea microphylla makawao, highway side of kanaha rd disturbed roadside; dominated by grasses, Pluchea indica and P. symphytifolia PRESERVED_SPECIMEN wagner, w.l. imada, c.; takeuchi, w. collector number: 5799 Maui BISH 3/3/1988
207 Pilea microphylla w of kaunakakai Nursery. PRESERVED_SPECIMEN oppenheimer, h.l. collector number: h40407 Molokai BISH 4/2/2004
208 Pilea microphylla wailua game reserve plots stripmined for bauxite ore in 1958-60. Area variously treated with lime and fertilizer. Now residual pasture. On bare areas and slopes PRESERVED_SPECIMEN howard, r.a. collector number: 20272 Kauai BISH 10/20/1985
209 Pilea microphylla W of Kaunakakai Nursery. PRESERVED_SPECIMEN Oppenheimer, H.L. H40407 Molokai BISH 4/2/2004
210 Pilea microphylla Lihue cracks in crumbling asphalt PRESERVED_SPECIMEN Takeuchi, W.N. s.n. Kauai BISH 5/1/1983
211 Pilea microphylla bishop museum grounds, next to mail trailor beween paki and pauahi Top of talus slope below sea cliff. West exposure, slope 40- 60 degrees. Sparsely vegetated. PRESERVED_SPECIMEN crago, l.m. collector number: 2005-004 Kahoolawe BISH 1/12/2005
212 Pilea microphylla Sand Island PRESERVED_SPECIMEN Herbst, D.R. 9069 Midway Atoll BISH 7/6/1988
213 Pilea microphylla east Maui, Makawao District, Makawao, east side of Kailua Gulch PRESERVED_SPECIMEN Duvall, F. s.n. Maui BISH 7/28/2012
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