img

Pluchea × fosbergii

Cooperr. & Galang (1965)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Asterales Family: Asteraceae Genus: Pluchea

marsh fleabane

img

Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

img

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Ni'ihau(Incl. Lehua) Naturalized
Kuaihelani (Midway Atoll) Naturalized
Kaua'i Naturalized
O'ahu Naturalized
Molokai Naturalized
Kaho'olawe Naturalized
Maui Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Amer. J. Bot. 52: 1025 (1965)

Other References

Wagner et al. 1990:350 (Mi, K, O, Mo, M, spontaneous sterile hybrid, parentage: P. carolinensis [as P. symphytifolia] × P. indica); Wood & LeGrande 2006:21 (Le); Starr et al. 2006:33 (Ka); Starr & Starr 2008/Herbst 6441 BISH (Mi†, 1980); Note: assumed unstabilized hybrid

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Pluchea × fosbergii Lehua Rock Volcanic tuff, scattered to dense vegetation of shrubs (Pluchea spp.) and herbs (Jacquemontia, Ageratum, Sicyos, and grasses). Seen once growing with Pluchea indica & P. caroliniana, natural hybid. Preserved_Specimen Dense, low shrub 30-40 cm tall, florets pink, tips of involucres brown. Lorence, D.H. 7128 Lehua Rock BISH 1992-01-10
2 Pluchea × fosbergii Along cane road, ca. 0.5 mi from Polihale State Park Growing in dry, sandy area. Common, natural hyrid between Pluchea indica and P. odorata. Preserved_Specimen Shrub with long arcuate or prostrate branches, purple flowers. Herbst, D.R. 5228 Kauai BISH 1975-02-26
3 Pluchea × fosbergii NW side of Sand Island, ca. 200 yd from ocean Arid, sandy, disturbed area with Desmanthus, Chloris, Pithecellobium, Cenchus, Pluchea indica and P. odorata. Preserved_Specimen Long, slender, decumbent branches piled, flowers purple. Herbst, D.R. 662 Oahu BISH 1967-10-19
4 Pluchea × fosbergii Honolulu; Sand Island, near the bridge On waste ground with both parental species. Preserved_Specimen Shrub, 60 cm. Mäkinen, L. 66492 Oahu BISH 1966-03-11
5 Pluchea × fosbergii [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Waste area of dry coral, both Pluchea indica and P. odorata present. Preserved_Specimen This plant intermediate betw the 2 spp. in leaf share, pubescence, size of involucre and bracts, size and color of corolla; flowers pale-pink. Sakimura, K. Oahu BISH 1955-02-09
6 Pluchea × fosbergii Mokuleia Beach Recently naturalized in bull-dozed pasture near ocean. Preserved_Specimen Degener, O. 27847 Oahu BISH 1962-02-02
7 Pluchea × fosbergii Mokuleia side of Kaena Point On beach strand. Preserved_Specimen Shrub 1 m high. Gagné, W.C. 618 Oahu BISH 1971-01-09
8 Pluchea × fosbergii Moaula, N side of summit Preserved_Specimen Sprawling shrubs. Oppenheimer, H.L. 110406 Kahoolawe BISH 2004-11-18
9 Pluchea × fosbergii Mokuauia Islet, Oahu Preserved_Specimen Rare. One patch near dead hala. Starr, F. 502225 Oahu BISH 2007-02-22
10 Pluchea × fosbergii Ewa Beach Preserved_Specimen Char, W.P. 150 Oahu BISH 1982-01-30
11 Pluchea × fosbergii Former Naval Air Station Barbers Point, Northern Trap & Skeet Range On bare scraped limestone. With Leucaena leucocephala, Cenchrus ciliaris, and Waltheria indica. Preserved_Specimen Sprawling prostrate-clumping shrub. <1 m tall. Flowers pale pink. Leaves pale green, fragrant - curry/sage. BISH staff 44 Oahu BISH 2021-05-04
12 Pluchea × fosbergii Keehi Lagoon, Shack Island Preserved_Specimen Herbst, D.R. 6176 Oahu BISH 1978-07-29
13 Pluchea × fosbergii Honolulu; John Ena Rd Preserved_Specimen Swezey, O.H. Oahu BISH 1934-12-07
14 Pluchea × fosbergii Kailua, edge of Kaelepulu Pond, W borders Preserved_Specimen Neal, M.C. Oahu BISH 1940-06-11
15 Pluchea × fosbergii Kaunakakai At edge of Prosopis thicket. Preserved_Specimen Scandent shrub with long, arcuate branches. Herbst, D.R. 5099 Molokai BISH 1974-11-12
16 Pluchea × fosbergii Lehua Rock grassland, herbland; Cenchrus ciliaris, Setaria verticillata, Portulaca oleracea, Jacquemontia ovalifolia, Pluchea indica, Pluchea carolinensis, Ageratum conyzoides, Chenopodium murale, Waltheria indica, Cenchrus echinatus, Cloris virgata Preserved_Specimen shrub; decumbent with scandent green or brown stems; early flower Wood, K.R. 11547 Lehua Rock BISH 2005-10-07
17 Pluchea × fosbergii Central Maui, southern coast of isthmus, Kealia Pond National Wildlife Refuge Scandent woody shrub in dry mudflats on N side of Kealia Pond. Growing with Leptochloa, Bolboschoenus, Batis. Both Pluchea indica and P. carolinensis in vicinity. Occasional. Preserved_Specimen Imada, C. 9824 Maui BISH 1998-10-06
18 Pluchea × fosbergii Kahuku, Kahuku Golf Course Coral-limestone. Preserved_Specimen Clumped distribution of low small shrubs, 0.5-1.2 m high, flowers yellow and orange. Hall, M.T. 4 Oahu BISH 1980-12-12
19 Pluchea × fosbergii Ka'ena Point State Park. Parking lot on the Waianae side near the bathrooms Disturbed area near road Preserved_Specimen growing between P. indica and P. carolinensis. More decumbent Faccenda, K. 2163 Oahu BISH 2021-11-11
20 Pluchea × fosbergii Barbers Point In company with Prosopis & Myoporum. Preserved_Specimen Dense, much branched but scandent shrub 6 ' height, viscid, florets purplish. Nagata, K.M. 1083 Oahu BISH 1972-11-20
21 Pluchea × fosbergii Kanaha Pond, Kahului, Maui, Hawaii Growing at west end of pond, along fences line near tall date palms, in fill. Preserved_Specimen Low shrub, sprawling, druping branches, green dull leaves. Crago, L.M. 2005179 Maui BISH 2005-08-09
22 Pluchea × fosbergii W of Kaunakakai Sprawling over drying, salt, mud flats; naturalized. Preserved_Specimen Degener, O. 27739 Molokai BISH 1961-06-30
23 Pluchea × fosbergii Pearl Harbor National Wildlife Refuge, Oahu Growing in wet mudflat, and along the edges of the pond with Bacopa monnieri and Eleocharis geniculata. Preserved_Specimen Small shrubs 3-4 ft tall. Pink pompom like flowers, lightly fuzzy leaves, drooping stems. Crago, L.M. 2005072 Oahu BISH 2005-02-23
24 Pluchea × fosbergii E of Kaena Point Recently naturalized on R.R. bed. Preserved_Specimen Degener, O. 27617 Oahu BISH 1961-09-01
25 Pluchea × fosbergii Nawiliwili Bay, Niumalu Park With Pluchea indica and P. symphytifolia. Preserved_Specimen Shrub of 1.5 m. Flynn, T.W. 2139 Kauai BISH 1987-04-03
26 Pluchea × fosbergii N Halawa Valley, botanical survey site 5; betw bridges 5 & 6 on access rd; mesa top area of site 5 Andropogon grassland. Preserved_Specimen Bish (nat). Lennstrom, H. 199410 Oahu BISH 1994-01-03
27 Pluchea × fosbergii Barbers Point, behind beach near lighthouse Member of halophytic fringe vegetation (Zone A of Ripperton and Hosaka). Preserved_Specimen Shrub 1.8 m high. Newhouse, W.J. Oahu BISH 1953-12-13
28 Pluchea × fosbergii Barbers Point In company with Prosopis & Myoporum. Preserved_Specimen Dense, much branched but scandent shrub 6 ' height, viscid, florets purplish. Nagata, K.M. 1083 Oahu BISH 1972-11-20
29 Pluchea × fosbergii 1 mi N of Makua Beach Roadside and arid hills on ocean. With Prosopis pallida, Leucaena leucocephala, Acacia farnesiana, Desmanthus virgatus, Atriplex semibaccata on inner beach. Preserved_Specimen Weak stemmed, forming thickets, 2 m high, flowers rose violet. Iltis, H.H. 236 Oahu BISH 1967-07-01
30 Pluchea × fosbergii Makawao District, Haleakala Hwy, on highway side of Kanaha Pond Disturbed roadside, dominated by grasses, Pluchea indica and P. symphytifolia; growing with parents. Preserved_Specimen Outer stems of clumb prostrate, tohers ascending; corolla lavender; achenes apparently sterile. Wagner, W.L. 5800 Maui BISH 1988-03-03
31 Pluchea × fosbergii Hoomaluhia Park, concentrated in the American tropical plantings and along main road Planted in 'indet area'. Preserved_Specimen Woody shrub, flowers spent, brownish. Staples, G.W. 440 Oahu BISH 1989-01-30
32 Pluchea × fosbergii N rim, Lua Makika Windswept dry shrub/grassland, hardpan basalt substrate. Associated vegetation: Pluchea symphytifolia, Pluchea odorata. Preserved_Specimen Creeping perennial prostrate shrub. Starr, F. 308272 Kahoolawe BISH 2003-08-27
33 Pluchea × fosbergii Honolulu Harbor, Sand Island Disturbed ground. Preserved_Specimen Sprawling shrub with branches piling to 1/2 m. in height. Cooperrider, T.S. 9250 Oahu BISH 1963-06-05
34 Pluchea × fosbergii Kanaha Pond Quite common around pont. This hybrid much more common than Pluchea symphytifolia here. Also commin in central Kihei. Preserved_Specimen Forming vigorous shrubs to 2 m tall. Hobdy, R.W. 2528 Maui BISH 1986-02-27
35 Pluchea × fosbergii Kealia Salt marsh. Preserved_Specimen Funk, E.J. Maui BISH 1990-02-15
36 Pluchea × fosbergii Nawiliwili, E of State Pier On sandy soil with Prosopis, Acacia farnesiana, Cenchrus echinatus. Area appears to have been cleared perhaps 5-10 yrs. ago. Preserved_Specimen Lamoureux, C.H. 2350 Kauai BISH 1963-04-14
37 Pluchea × fosbergii West Lock U.S. Nasvy Ammunition Storage Area, just S. of West Lock, Pearl Harbor, Ewa District Very common, with Pluchea indica and P. symphytifolia in dense scrub undergrowth on flat slightly elevated coral reef limestone. Preserved_Specimen Held up by other plants, branches drooping, flowers bright lavender. Fosberg, F.R. 65099 Oahu BISH 1985-10-27
38 Pluchea × fosbergii Lehua Grassland/ herbland association. W/ Cenchrus ciliaris, Setaria verticillata, Portulaca oleracea, Jacquemontia ovalifolia interspersed with Pluchea indica, Pluchea carolinensis, and their occasional hybrid Pluchea x fosbergii, other Preserved_Specimen shrub, 1 m tall with arching stems brown-red, leaves medium green, disk florets purple-pink, with seeds, occasional Wood, K.R. 11617 Lehua Rock BISH 2005-11-18
39 Pluchea × fosbergii Kahului, by Kahana Pond, near junction of Rts 36 and 361 Low, open, weedy ground. Preserved_Specimen Sprawling shrub. Cooperrider, T.S. 11098 Maui BISH 1970-02-16
40 Pluchea × fosbergii At junction of Lipoa and Kihei Rd Associated with Pluchea odorata and P. indica with Batis. Preserved_Specimen Shrub with scandant branches, flowers purple. Ishikawa, S. 362 Maui BISH 1973-12-03
Back to Top