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Oxalis debilis

Kunth (1822)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Oxalidales Family: Oxalidaceae Genus: Oxalis

‘ihi pehu [ihi pehu], pink wood sorrel

Description

Key Characters:

Growth Form: Acaulescent perennial herbs from an ovoid bulb 2–2.5 cm long, covered with brownish ovate scales, maturing into masses of brown ovoid bulbils 3–6 mm in diameter in the axils of the old scales.

Stems: Leaves grow from an underground ovoid bulb 2–2.5 cm long, covered with brownish ovate scales, maturing into masses of brown ovoid bulbils 3–6 mm in diameter in the axils of the old scales.

Roots: Taprooted.

Leaves: Leaves compound (trifoliate). Alternate. Leaflets broadly obcordate, 1.5–4.5 cm long, 2–6.5 cm wide, leaflets often drooping. Surfaces glabrous or sparsely pubescent, both surfaces covered with minute reddish tubercles. Leaflet margins cleft at apex but otherwise entire. Petioles slender, flexuous, ascending, 10–25 cm long, ± villous. Stipules small, membranous, adnate to petioles.

Flowers: Flowers 2–12 in umbellate cymes; peduncles up to 35 cm long, usually villous, bracts several, ovate-lanceolate, 2.5–3 mm long. Flowers bisexual (perfect), actinomorphic. Calyx of 5 sepals, imbricate, shortly connate, oblong, 3.5–5(–6) mm long. Corolla of 5 petals, pinkish purple, spatulate, 11–20 mm long, apex obtuse to truncate. Stamens 10, in 2(3) series, 5 short and 5 longer, longer ones sometimes with a dorsal tube; filaments connate at base; anthers dithecal, opening by longitudinal slits. Ovary superior, (3–)5-carpellate, with as many cells; ovules 3–8 per cell, in 1–2 rows.

Fruit: Fruit not seen.

Ploidy: 2n = 14; 22; 28; 30

Habitat: Usually in relatively wet; shaded sites.

Elevation Range: 10–850 m.

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


Vegetative Reproduction

Pollinators

Bibliography

Name Published In: F.W.H.von Humboldt, A.J.A.Bonpland & C.S.Kunth, Nov. Gen. Sp. 5: 236 (1822)

Other References

Wagner et al. 1990:1002 (no NWHI records, K, O, Mo, L, M, H [as Oxalis corymbosa]); Herbst & Wagner 1999:25 (NOM:Syn. O. corymbosa = O. debilis); Staples & Herbst 2005:447 (KEY), 448 (DESCR [as O. debilis var. corymbosa]); Starr et al. 2010:65 (Mi)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Oxalis debilis Kunth honolulu; waialae iki PRESERVED_SPECIMEN forbes, c.n. collector number: 2429.o Oahu BISH 2/28/1917
2 Oxalis debilis Kunth Waiahole Valley, road up to Waiahole ditch trail Common on roadside and road. PRESERVED_SPECIMEN Fosberg, F.R. 59479 Oahu BISH 3/1/1980
3 Oxalis debilis Kunth Leeward Koolau Mountains, at beginning of Manoa Cliffs Trail Common along trail. PRESERVED_SPECIMEN Wagner, W.L. 5511 Oahu BISH 3/10/1985
4 Oxalis debilis Kunth laie Slope 8 percent; Soil = loam; PRESERVED_SPECIMEN kwok, k.t.w. collector number: ktw 21 Oahu BISH 3/25/1967
5 Oxalis debilis Kunth along road 0.6 miles from end of highway 56, near limahuli garden May be roadside plantings. PRESERVED_SPECIMEN wagner, w.l. mill, s.; peterson, b.; peterson, g.; flynn, t. collector number: 5160 Kauai BISH 12/21/1983
6 Oxalis debilis Kunth sand island, 4208 commodore ave. garden; Eleusine indica, Lepidium virginicum, Malva parviflora PRESERVED_SPECIMEN starr, f. starr, k. collector number: 080601-04 Midway Atoll BISH 6/1/2008
7 Oxalis debilis Kunth Honolulu; Manoa Valley PRESERVED_SPECIMEN Garber, D.W. 15 Oahu BISH 10/26/1919
8 Oxalis debilis Kunth parker ranch land, waipunalei, north hilo district, near boundary fence with laupahoehoe secton of hilo forest reserve growing with kikuyu grass (Pennisetum clandestinum) in pasture. PRESERVED_SPECIMEN cuddihy, l.w. collector number: 757 Hawaii BISH 3/3/1981
9 Oxalis debilis Kunth koele PRESERVED_SPECIMEN munro, g.c. collector number: 319 Lanai BISH 5/2/1928
10 Oxalis debilis Kunth Honolulu, Manoa Cliff Trail Wet mixed native and alien forest. PRESERVED_SPECIMEN Kennedy, B. 30 Oahu BISH 1/13/1996
11 Oxalis debilis Kunth laie, hawaii. Cane fields.<br/> PRESERVED_SPECIMEN ray j. davis 7317 IDS 2/19/1968
12 Oxalis debilis Kunth honolulu; nuuanu valley, kapena falls Near stream, on trail. PRESERVED_SPECIMEN neal, m.c. collector number: s.n. Oahu BISH 6/1/1937
13 Oxalis debilis Kunth unknown PRESERVED_SPECIMEN Rock, J.F.C. 2676 BISH
14 Oxalis debilis Kunth kalaupapa national historical park trail between switchback six and eight PRESERVED_SPECIMEN wysong, m.l. collector number: 625 Molokai BISH 2/12/2005
15 Oxalis debilis Kunth Honolulu, Manoa Valley, Manoa Road. PRESERVED_SPECIMEN W. M. Bush 543 Oahu PTBG 2/11/1977
16 Oxalis debilis Kunth kapa`akea gulch east PRESERVED_SPECIMEN g. hughes 56 NHMUK 4/10/1992
17 Oxalis debilis Kunth MAUI: W. Maui, Lahaina District, Honokahua. PRESERVED_SPECIMEN Hank Oppenheimer H80029 Maui PTBG 8/21/2000
18 Oxalis debilis Kunth pacific tropical botanic garden; lawai valley Occasional in moist, shaded parts of valley. PRESERVED_SPECIMEN herbst, d.r. collector number: 2291 Kauai BISH 1/8/1972
19 Oxalis debilis Kunth Ka Iwi O Pele. Elev. 40-440 ft. Secondary forest PRESERVED_SPECIMEN Tim Flynn 2630 Maui PTBG 11/13/1987
20 Oxalis debilis Kunth MAUI: Hana district. Past "blue pool." Low coastal cliffs dominated by Pandanus tectorius and Scaevola taccada. Growing above patch of Lysimachia mauritania PRESERVED_SPECIMEN Clay Trauernicht 412 Maui PTBG 3/5/2007
21 Oxalis debilis Kunth byu-hc PRESERVED_SPECIMEN afualo, d. collector number: 109 Maui US 3/25/1975
22 Oxalis debilis Kunth Honolulu, Oahu PRESERVED_SPECIMEN Hitchcock, A. S. 13719 Oahu US 6/15/2016
23 Oxalis debilis Kunth w side of kawaimui marsh, kailua PRESERVED_SPECIMEN f. r. fosberg 57434 Oahu US 3/28/1978
24 Oxalis debilis Kunth Kauai: along road near Haena PRESERVED_SPECIMEN Yuncker, T. G. 3504 Kauai US 1/26/1933
25 Oxalis debilis Kunth In Nuuanu PRESERVED_SPECIMEN Heller, A. A. 2098 Oahu US 1895-00-00
26 Oxalis debilis Kunth W side of Kawaimui Marsh, Kailua PRESERVED_SPECIMEN Fosberg, F. R. 57434 Oahu US 3/28/1978
27 Oxalis debilis Kunth Hilo PRESERVED_SPECIMEN Hitchcock, A. S. 14166 Hawaii US 8/17/2016
28 Oxalis debilis Kunth Poipu, Weliweli Road. PRESERVED_SPECIMEN Tim Flynn 726 Kauai PTBG 1/5/1984
29 Oxalis debilis Kunth honolulu, oahu PRESERVED_SPECIMEN a. s. hitchcock 13719 Oahu US 6/15/1916
30 Oxalis debilis Kunth kawainui marsh, below castle hosp., oahu PRESERVED_SPECIMEN l. b. smith 85 Oahu US 3/27/1976
31 Oxalis debilis Kunth Kapa`akea Gulch East PRESERVED_SPECIMEN Hughes, G. 56 Molokai US 1992-00-00
32 Oxalis debilis Kunth waiahole valley, road up to waiahole ditch trail PRESERVED_SPECIMEN f. r. fosberg & e. c. evans 59479 Oahu US 3/1/1980
33 Oxalis debilis Kunth Kula, near foot of Haleakala Road PRESERVED_SPECIMEN Fosberg, F. R. 55671 Maui US 3/14/1975
34 Oxalis debilis Kunth hilo PRESERVED_SPECIMEN a. s. hitchcock 14166 Kauai US 8/17/1916
35 Oxalis debilis Kunth kula, near foot of haleakala road PRESERVED_SPECIMEN f. r. fosberg 55671 Maui US 3/14/1975
36 Oxalis debilis Kunth mokuleia PRESERVED_SPECIMEN o. degener & d. l. topping 11099 Oahu US 3/22/1937
37 Oxalis debilis Kunth Waiahole Valley, road up to Waiahole ditch trail PRESERVED_SPECIMEN Fosberg, F. R.; Evans, E. C. 59479 Oahu US 3/1/1980
38 Oxalis debilis Kunth Mokuleia PRESERVED_SPECIMEN Degener, O.; Topping, D. L. 11099 Oahu US 3/22/1937
39 Oxalis debilis Kunth in nuuanu PRESERVED_SPECIMEN a. a. heller 2098 Oahu US 1895-04-09
40 Oxalis debilis Kunth east maui, honomanu valley PRESERVED_SPECIMEN Maui US
41 Oxalis debilis Kunth kauai: along road near haena PRESERVED_SPECIMEN t. g. yuncker 3504 Kauai US 1/26/1933
42 Oxalis debilis Kunth bishop museum grounds behind pauahi by air-conditioner units Moist wet soil in grassy area near air-conditioner units growing with Synedrella nodiflora, Paspalum fimbriatum, and Calyptocarpus vialis. PRESERVED_SPECIMEN crago, l.m. collector number: 2005-001 Oahu BISH 1/12/2005
43 Oxalis debilis Kunth Honolulu; Waialae iki PRESERVED_SPECIMEN Forbes, C.N. 2429.O Oahu BISH 2/28/1917
44 Oxalis debilis Kunth unknown PRESERVED_SPECIMEN rock, j.f.c. collector number: 2676 Kauai BISH
45 Oxalis debilis Kunth BYU-HC No slope; soil = loam; PRESERVED_SPECIMEN Lee, P. PL-20 Oahu BISH 3/17/1975
46 Oxalis debilis Kunth Kawainui Marsh, below Castle Hosp., Oahu PRESERVED_SPECIMEN Smith, L. B. 85 Oahu US 3/27/1976
47 Oxalis debilis Kunth CCH By roadside entrance Women's Dorm I Slope 20 percent; soil = loam. PRESERVED_SPECIMEN Ayakawa, G.T. GTA-39 Oahu BISH 5/2/1967
48 Oxalis debilis Kunth Pacific Tropical Botanic Garden; Lawai Valley Occasional in moist, shaded parts of valley. PRESERVED_SPECIMEN Herbst, D.R. 2291 Kauai BISH 1/3/1972
49 Oxalis debilis Kunth Along road 0.6 miles from end of Highway 56, near Limahuli Garden May be roadside plantings. PRESERVED_SPECIMEN Wagner, W.L. 5160 Kauai BISH 12/21/1983
50 Oxalis debilis Kunth East Maui, Hana, Wakiu roadside PRESERVED_SPECIMEN St. John, H. 17851 Maui BISH 12/30/1936
51 Oxalis debilis Kunth makaha valley. in area behind present golf course to be developed Not common, only in moister areas. PRESERVED_SPECIMEN davis, j. kores, p. collector number: 106 Oahu BISH 5/11/1979
52 Oxalis debilis Kunth w side of kawainui marsh, kailua Open area in the central bog PRESERVED_SPECIMEN fosberg, f.r. collector number: 57434 Oahu BISH 3/28/1978
53 Oxalis debilis Kunth byu-hc No slope; soil = loam; PRESERVED_SPECIMEN lee, p. collector number: pl-20 Oahu BISH 3/17/1975
54 Oxalis debilis Kunth along halawa stream PRESERVED_SPECIMEN funk, e.j. collector number: 920050 Hawaii BISH 5/3/1992
55 Oxalis debilis Kunth Kamuela fairly wet; roadside PRESERVED_SPECIMEN Ewart III, G.R. 353 Hawaii BISH 2/17/1934
56 Oxalis debilis Kunth honolulu, manoa cliff trail Wet mixed native and alien forest. PRESERVED_SPECIMEN kennedy, b. imada, c.; welsh, s. collector number: 30 Oahu BISH 1/13/1996
57 Oxalis debilis Kunth leeward koolau mountains, at beginning of manoa cliffs trail Common along trail. PRESERVED_SPECIMEN wagner, w.l. mill, s.w. collector number: 5511 Oahu BISH 3/10/1985
58 Oxalis debilis Kunth kamuela fairly wet; roadside PRESERVED_SPECIMEN ewart iii, g.r. collector number: 353 Hawaii BISH 2/17/1934
59 Oxalis debilis Kunth Kalaupapa National Historical Park trail between switchback six and eight PRESERVED_SPECIMEN Wysong, M.L. 625 Molokai BISH 2/12/2005
60 Oxalis debilis Kunth Waianae Mountains; Makaleha Forming carpet under kukui groves in valley bottom. PRESERVED_SPECIMEN Bryan Jr., E.H. 687 Oahu BISH 1/13/1929
61 Oxalis debilis Kunth national park, rangers cottages PRESERVED_SPECIMEN fagerlund, g.o. mitchell, a.l. collector number: 228 Hawaii BISH 12/1/1942
62 Oxalis debilis Kunth Koele PRESERVED_SPECIMEN Munro, G.C. 319 Lanai BISH 5/2/1928
63 Oxalis debilis Kunth honolulu; nuuanu valley PRESERVED_SPECIMEN mann, h. brigham, w.t. collector number: 37 Oahu BISH
64 Oxalis debilis Kunth W side of Kawainui Marsh, Kailua On dry land in thin Leucaena forest. PRESERVED_SPECIMEN Fosberg, F.R. 57434 Oahu BISH 3/28/1978
65 Oxalis debilis Kunth Bishop Museum Grounds behind Pauahi by air-conditioner units Moist wet soil in grassy area near air-conditioner units growing with Synedrella nodiflora, Paspalum fimbriatum, and Calyptocarpus vialis. PRESERVED_SPECIMEN Crago, L.M. 2005-001 Oahu BISH 1/12/2005
66 Oxalis debilis Kunth Laie Slope 8 percent; Soil = loam; PRESERVED_SPECIMEN Kwok, K.T.W. KTW 21 Oahu BISH 3/25/1967
67 Oxalis debilis Kunth Makaha Valley. In area behind present golf course to be developed Not common, only in moister areas. PRESERVED_SPECIMEN Davis, J. 106 Oahu BISH 5/11/1979
68 Oxalis debilis Kunth Mokuleia Moist ditch. PRESERVED_SPECIMEN Degener, O. 11099 Oahu BISH 3/22/1937
69 Oxalis debilis Kunth Honolulu; Nuuanu Valley PRESERVED_SPECIMEN Mann, H. 37 Oahu BISH 2/6/1905
70 Oxalis debilis Kunth unknown PreservedSpecimen Rock, J.F.C. Collector Number: 2676 BISH Specimen
71 Oxalis debilis Kunth honolulu; dowsett tract PRESERVED_SPECIMEN handy, e.s. collector number: s.n. Oahu BISH 2/20/1934
72 Oxalis debilis Kunth Paauhau 2 PRESERVED_SPECIMEN Rock, J.F.C. 130 Hawaii BISH 6/1/1909
73 Oxalis debilis Kunth waiahole valley, road up to waiahole ditch trail Common on roadside and road. PRESERVED_SPECIMEN fosberg, f.r. evans iii, e.c. collector number: 59479 Oahu BISH 3/1/1980
74 Oxalis debilis Kunth honolulu; manoa valley PRESERVED_SPECIMEN garber, d.w. collector number: 15 Oahu BISH 10/26/1919
75 Oxalis debilis Kunth Bishop Museum Grounds behind Pauahi by air-conditioner units Moist wet soil in grassy area near air-conditioner units growing with Synedrella nodiflora, Paspalum fimbriatum, and Calyptocarpus vialis. PRESERVED_SPECIMEN Crago, L.M. Collector Number: 2005-001 Oahu BISH 1/12/2005
76 Oxalis debilis Kunth mokuleia PRESERVED_SPECIMEN degener, o. topping, d.l. collector number: 11099 Oahu BISH 3/22/1937
77 Oxalis debilis Kunth Honolulu; Dowsett Tract PRESERVED_SPECIMEN Handy, E.S. s.n. Oahu BISH 2/20/1934
78 Oxalis debilis Kunth Sand Island, 4208 Commodore Ave. garden; Eleusine indica, Lepidium virginicum, Malva parviflora PRESERVED_SPECIMEN Starr, F. 080601-04 Midway Atoll BISH 6/1/2008
79 Oxalis debilis Kunth Parker Ranch land, Waipunalei, North Hilo District, near boundary fence with Laupahoehoe Secton of Hilo forest Reserve growing with kikuyu grass (Pennisetum clandestinum) in pasture. PRESERVED_SPECIMEN Cuddihy, L.W. Collector Number: 757 Hawaii BISH 3/3/1981
80 Oxalis debilis Kunth paauhau 2 PRESERVED_SPECIMEN rock, j.f.c. collector number: 130 Oahu BISH 6/1/1909
81 Oxalis debilis Kunth cch by roadside entrance women's dorm i Slope 20 percent; soil = loam. PRESERVED_SPECIMEN ayakawa, g.t. collector number: gta-39 Oahu BISH 5/2/1967
82 Oxalis debilis Kunth along Halawa Stream mountain apple trees, kukui and kalo PRESERVED_SPECIMEN Funk, E.J. 920050 Molokai BISH 5/3/1992
83 Oxalis debilis Kunth east maui, hana, wakiu roadside PRESERVED_SPECIMEN st.john, h. catto, r.j. collector number: 17851 Maui BISH 12/30/1936
84 Oxalis debilis Kunth Parker Ranch land, Waipunalei, North Hilo District, near boundary fence with Laupahoehoe Secton of Hilo forest Reserve growing with kikuyu grass (Pennisetum clandestinum) in pasture. PRESERVED_SPECIMEN Cuddihy, L.W. 757 Hawaii BISH 3/3/1981
85 Oxalis debilis Kunth Honolulu; Nuuanu Valley, Kapena Falls Near stream, on trail. PRESERVED_SPECIMEN Neal, M.C. s.n. Oahu BISH 6/1/1937
86 Oxalis debilis Kunth waianae mountains; makaleha Forming carpet under kukui groves in valley bottom. PRESERVED_SPECIMEN bryan jr., e.h. collector number: 687 Oahu BISH 1/13/1929
87 Oxalis debilis Kunth National Park, Rangers Cottages PRESERVED_SPECIMEN Fagerlund, G.O. 228 Hawaii BISH 12/1/1942
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