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Ludwigia octovalvis

(Jacq.) P.H.Raven (1962)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Myrtales Family: Onagraceae Genus: Ludwigia

alohalua, kāmole, kāmole lau li‘i, kāmole lau nui, primrose willow

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Description

Key Characters:

Growth Form: Robust, erect to spreading, many branched perennial herbs or shrubs 1–4 m tall, subglabrous to densely villous.

Stems:

Roots:

Leaves: Leaves simple. Alternate. Blades linear to narrowly ovate, 0.7–14.5 cm long, 0.1–4 cm wide. Margins entire. Petioles 0–1 cm long. Stipules present, often caducous.

Flowers: Flowers bisexual (perfect), actinomorphic, (3)4–5(6)-merous, in the upper leaf axils; Floral tube not prolonged beyond ovary. Calyx of 4 sepals, (6–)8–13 mm long. Petals yellow, 5–16 mm long. Stamens 8, those opposite the petals with a white, pubescent, sunken nectary. Pollen shed in tetrads. Ovary inferior, as many cells and carpels as sepals; ovules anatropous; style 1; stigma capitate or hemispherical, entire, surrounded by the anthers and pollen shed directly on it.

Fruit: Capsules thin–walled; 17–45 mm long; irregularly dehiscent. Seeds in several indistinct rows per cell; distinct; 0.6–0.8 mm long; the raphe inflated and nearly equal in size to body of seed.

Ploidy: 2n = 32*; 48

Habitat: Ponds; along streams and ditches; and in wet forest.

Elevation Range: 0–1,050 m.

Historical Distribution

Images

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Accepted Subtaxa (in Hawai'i) (1)

Ludwigia octovalvis subsp. octovalvis

Uses and Culture

USES

Natural History

Statewide Status

Indigenous

Island Status

Kaua'i Indigenous
O'ahu Indigenous
Molokai Indigenous
Lana'i Indigenous
Maui Indigenous
Hawai'i Indigenous

Dispersal Agents


Pollinators

Bibliography

Name Published In: Kew Bull. 15: 476 (1961 publ. 1962)

Other References

Wagner et al. 1990:998 (K, O, Mo, L, M, H); Munro 148 BISH (L†, 1924); Note: status change from pol? to ind as it was only speculation that this was an accidental canoe plant

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Ludwigia octovalvis N Kona District; Holualoa Ahu. Tr 56(145/146); Between Mauna Loa & Hualalai; N of Judd Trail, W of Mamalahoa Hwy Preserved_Specimen Mesic exotic grass and native shrub commmunity with scattered 'ohi'a and other native trees. 35 cm tall. Groung-rooted in soil; exposed. Jacobi, J.D. 1217 Hawaii BISH 1978-08-12
2 Ludwigia octovalvis Waikakalaua Gulch River bank, moderately damp Preserved_Specimen Nitta, K. 60 Oahu BISH 1930-04-06
3 Ludwigia octovalvis ca 10 min. Kawailoa side of Laie summit on Koolau crest trail Preserved_Specimen Stemmermann, R.L. 1197 Oahu BISH 1976-10-30
4 Ludwigia octovalvis W Maui, Olowalu Valley Preserved_Specimen Steam and leaves quite villous. Forbes, C.N. 2409 Maui BISH 1920-05-17
5 Ludwigia octovalvis Transect 1 Midvalley Wet, disturbed areas with Paspalum conjugatum. Preserved_Specimen Harrison, B. 156 Maui BISH 1972-08-04
6 Ludwigia octovalvis Lihue District, land of Wailua, Lihuekoloa Forest Reserve, along jeep road to irrigation intake dam on North Fork of Wailua River Preserved_Specimen Sub-shrub with yellow flowers Herbst, D.R. 5552 Kauai BISH 1975-11-17
7 Ludwigia octovalvis Oahu Preserved_Specimen Mann, H. 46 Oahu BISH 1864-01-01
8 Ludwigia octovalvis Swimming Pool Vallley, Aihualama. Manoa valley Preserved_Specimen Russell, P. 184 Oahu BISH 1932-07-29
9 Ludwigia octovalvis Hauula Preserved_Specimen Rock, J.F.C. 610 Oahu BISH 1908-12-03
10 Ludwigia octovalvis Along jeep trail on the Kawa side of the valley. Pass the main gate close to Kawa stream. In muddy area Preserved_Specimen Common weed ca. 2 ft. tall. With yellow flowers. Herat, T. 161 Oahu BISH 1972-08-14
11 Ludwigia octovalvis Mokuleia Preserved_Specimen Suehiro, A. 224 Oahu BISH 1931-11-15
12 Ludwigia octovalvis Honokahau Drainage Basin Preserved_Specimen Forbes, C.N. 506 Maui BISH 1917-09-25
13 Ludwigia octovalvis Kokee State Park, on Canyon Trail to Waipoo Falls Preserved_Specimen Wagner, W.L. 4958 Kauai BISH 1983-08-26
14 Ludwigia octovalvis Kaiholena Preserved_Specimen Munro, G.C. 125 Lanai BISH 1913-09-16
15 Ludwigia octovalvis Waimea, Halemanu, Waipo falls Preserved_Specimen Chock, A.K. 934 Hawaii BISH 1953-08-14
16 Ludwigia octovalvis Kapohaku Preserved_Specimen Munro, G.C. 148 Lanai BISH 1924-04-19
17 Ludwigia octovalvis Palolo Valley Preserved_Specimen Garber, D.W. 32 Oahu BISH 1919-11-02
18 Ludwigia octovalvis Kaiholena Preserved_Specimen Munro, G.C. 105 Lanai BISH 1913-11-16
19 Ludwigia octovalvis upper Manoa Valley Preserved_Specimen Topping, D.L. 3023 Oahu BISH 1925-02-14
20 Ludwigia octovalvis Manoa Valley Preserved_Specimen Rock, J.F.C. 1228 Oahu BISH 1908-07-27
21 Ludwigia octovalvis Oahu Preserved_Specimen S.N. 2557 Oahu BISH
22 Ludwigia octovalvis Waikakalaua Gulch, Waipio. Koolau Range stream bank Preserved_Specimen St.John, H. 10482 Oahu BISH 1930-04-06
23 Ludwigia octovalvis Paauhau 1 Preserved_Specimen Rock, J.F.C. 224 Hawaii BISH 1909-06-01
24 Ludwigia octovalvis Kealia Salt Marsh Preserved_Specimen Funk, E.J. Maui BISH 1990-02-15
25 Ludwigia octovalvis East Maui, Hana Preserved_Specimen Neal, M.C. Maui BISH 1933-06-06
26 Ludwigia octovalvis Kealia Salt Marsh Preserved_Specimen Funk, E.J. Maui BISH 1990-02-15
27 Ludwigia octovalvis Olaa Flume Preserved_Specimen Lydgate, J.M. Hawaii BISH 1919-08-01
28 Ludwigia octovalvis Tantalus Trail. Towards Pali Preserved_Specimen (Not on sheet) Oahu BISH 1945-11-02
29 Ludwigia octovalvis Kailua; edge of Kaelepulu Pond, N & W borders Preserved_Specimen Neal, M.C. Oahu BISH 1940-05-30
30 Ludwigia octovalvis S ridge of Kipapa Gulch, Waipio, Koolau Mts Preserved_Specimen Bryan Jr., E.H. Oahu BISH 1932-05-15
31 Ludwigia octovalvis Manoa Valley Preserved_Specimen Lyon, H.L. Oahu BISH 1908-06-26
32 Ludwigia octovalvis Jeep road between Wahiawa Bog (Kanaele Swamp) and trail to TV relay tower on Mt. Kahili Growing at edge of standing water Preserved_Specimen Wagner, W.L. 5200 Kauai BISH 1983-12-22
33 Ludwigia octovalvis Surety Ranch LLC Stock Ponds, Kohala, Big Island, Hawaii Growing on edge of pond. Preserved_Specimen Erect shrub, yellow flowers, long capsule like fruits. Crago, L.M. 2005125 Hawaii BISH 2005-03-20
34 Ludwigia octovalvis Puna District, land of Olaa Weed along cane field road near North Kulani Road. Preserved_Specimen Herb to subshrub growing in and around standing water. Flowers yellow. Herbst, D.R. 5590 Hawaii BISH 1975-12-15
35 Ludwigia octovalvis Kiolakaa Homesteads Addition, Kau forest Reserve Growing with grasses and uluhe fern along jeep road in disturbed Metrosideros forest. Preserved_Specimen Primrose willow. Common herb, about 4 ft. tall, flowers yellow. Cuddihy, L.W. 440 Hawaii BISH 1980-06-02
36 Ludwigia octovalvis Kalihi Taro patches taro patches Preserved_Specimen Roots in water. Forbes, C.N. 2534 Oahu BISH 1919-11-03
37 Ludwigia octovalvis Honolulu, Kahana Stream (tributary to Makiki stream). Completely channelized area N. of Wilder Ave Full sun, moist substrate Preserved_Specimen Dominant Faccenda, K. 1958 Oahu BISH 2021-06-12
38 Ludwigia octovalvis Trail on ridge E. of Mapulehu Valley. Marshy place. Preserved_Specimen 4 ft. shrub, fl. Yellow St.John, H. 12913 Molokai BISH 1932-12-29
39 Ludwigia octovalvis Waipio, Kipapa gulch, S ridge Moist gully. Preserved_Specimen Hosaka, E.Y. 660 Oahu BISH 1932-07-10
40 Ludwigia octovalvis Waialua/ Wahiawa districts: Koolau Mts., Kawailoa/ Ewa forest Reserves, Poamoho Ridge Trail Wet muddy areas on trail. Preserved_Specimen Suffruticose, 0.8 m; cor pale yellow Lammers, T.G. 5501 Oahu BISH 1984-06-16
41 Ludwigia octovalvis W Maui, near last ditch, NW of Mt. Eke, T.H Edge of stream. Preserved_Specimen Degener, O. 11307 Maui BISH 1927-08-27
42 Ludwigia octovalvis Along road by fish farm behind Laie Wet area. Preserved_Specimen sub-shrub to about 3 ft. tall with yellow flowers. Herbst, D.R. 5279 Oahu BISH 1975-04-21
43 Ludwigia octovalvis Awehi Stream; above Hilo Wet trust; along stream Preserved_Specimen Subsrub 1 m tall; flowers yellow Fosberg, F.R. 10494 Hawaii BISH 1933-12-07
44 Ludwigia octovalvis Wailau Valley. Near coast, east Molokai stream bank Preserved_Specimen suffrutescent herb, 1m tall, petals yellow Fosberg, F.R. 9603 Molokai BISH 1933-07-03
45 Ludwigia octovalvis East Maui, Hana District, Kipahulu Valley, W part of valley, Near Base Camp 1 Growing in open, grassy, wet areas. Preserved_Specimen Plants to 1.5 m tall, petals yellow. Lamoureux, C.H. 4040 Maui BISH 1967-08-09
46 Ludwigia octovalvis Jeep road between Wahiawa Bog (Kanaele Swamp) and trail to TV relay tower on Mt. Kahili Growing at edge of standing water Preserved_Specimen Wagner, W.L. 5200 Kauai BISH 1983-12-22
47 Ludwigia octovalvis Kipapa Side of stream. Preserved_Specimen 1m tall. Hume, E.P. 89 Oahu BISH 1931-02-15
48 Ludwigia octovalvis East Maui, Hana Grows along auwai and in taro patches. Preserved_Specimen Flower yellow. Handy, E.S. 3313 Maui BISH 1933-06-10
49 Ludwigia octovalvis Waikakalaua Gulch, Waipio Koolau Range stream bank Preserved_Specimen St.John, H. 10482 Oahu BISH 1930-04-06
50 Ludwigia octovalvis Wailau Valley Wet former taro patch. Preserved_Specimen Plant 6 ft. tall. St.John, H. 13238 Molokai BISH 1933-07-03
51 Ludwigia octovalvis Wainiha, NE fork Metrosideros polymorpha var. glaberrima Wet forest. Along side of stream. W/ Metrosideros polymorpha var glaberrima, Antidesma platyphyllum var. hillebrandii, Perrottetia sandwicensis, Melicope sp., Syzygium sandwicense, Cyanea fissa, C. recta, Lobelia hypoleuca, Dicranopt Preserved_Specimen Shrub about 2 feet tall. Branches/ stems green to purple to pink. Petals yellow, fall off very easily Walsh, S. 741 Kauai BISH 2019-12-12
52 Ludwigia octovalvis Kalauao, Waimalu Ridge, Koolau Mts West forest in tree Preserved_Specimen Fosberg, F.R. 9333 Oahu BISH 1933-03-29
53 Ludwigia octovalvis Valley north of Kuapa Pond Moist place. Preserved_Specimen Gillespie, J.W. 1083 Oahu BISH 1927-07-08
54 Ludwigia octovalvis Waikane-Schofield trail. Head of Kahana Valley Wet forest near trail Preserved_Specimen suffrutescent herb, flowers pale yellow Fosberg, F.R. 9518 Oahu BISH 1933-05-14
55 Ludwigia octovalvis Halawa, base of upper Moaula Falls Among rocks. Preserved_Specimen St.John, H. 12684 Molokai BISH 1932-12-27
56 Ludwigia octovalvis Tantalus Mt., Honolulu, Oahu Moist, sunny meadow. Preserved_Specimen Degener, O. 1595 Oahu BISH 1922-10-06
57 Ludwigia octovalvis Slopes of Kahili, above Kahili bog, Kalaheo. Open place in wet forest. Preserved_Specimen 4 ft. herb. Fl. yellow. St.John, H. 13526 Kauai BISH 1933-12-24
58 Ludwigia octovalvis Na Pali Coast, Grows in dense shade alongside the falls spur trail in Hanakapiai Valley. Preserved_Specimen A sparse herbaceous weed growing to 2' tall. Clarke, G. 350 Kauai BISH 1980-04-11
59 Ludwigia octovalvis Across road from hibiscus hill, PTBG, Lawai Valley Several large patches in low, wet area Preserved_Specimen Herbst, D.R. 2013 Kauai BISH 1971-07-20
60 Ludwigia octovalvis Koolau Forest In a boggy area. Preserved_Specimen Adee, K.T. Maui BISH 1980-07-15
61 Ludwigia octovalvis along Maunawili Stream pasture Preserved_Specimen Smith, L.B. 108 Oahu BISH 1976-06-22
62 Ludwigia octovalvis East Maui, Hana Road between Keanai Valley and Nahiku wet lower forest Preserved_Specimen bush 1 m tall, flowers pale yellow Fosberg, F.R. 9904 Maui BISH 1933-08-20
63 Ludwigia octovalvis Trail on ridge E of Mapulehu Valley Marshy place Preserved_Specimen St.John, H. 12193 Molokai BISH 1932-12-29
64 Ludwigia octovalvis Heeia Wetland, Kaneohe, Oahu Large area mainly vegetated with Ludwigia, Sagittaria latifolia, Brachiaria mutica, and Commelina diffusa. Wet soil to 3 inches of water. Preserved_Specimen Shrubs to 3 ft tall, flowers 4 yellow petals. Crago, L.M. 2005057 Oahu BISH 2005-02-11
65 Ludwigia octovalvis Waikane-Schofield Trail, Koolau trail Wet forest. Preserved_Specimen suffrutescent herb, 1 m. tall , petals yellow Fosberg, F.R. 8812 Oahu BISH 1932-10-16
66 Ludwigia octovalvis W of K-2300, N of Saddle Rd In kipuka, open Metrosideros-Acacia forest with understory of numerous native shrubs and ferns and introduced grasses. Preserved_Specimen Wagner, W.L. 4691 Hawaii BISH 1982-11-18
67 Ludwigia octovalvis Kalaupapa, upper Waihanau, upper Mokomoko gulch above Kapuna springs mixed mesic, semi-closed canopy, native forest with Metrosideros polymorpha, Metrosideros waialealae, Alyxia oliviformis, Antidesma platyphylla, Myrsine lessertiana, Perrottetia sandwicensis, Pittosporum argentifolium, Urera glabra, Psychotria, Dicranopteris linearis, Charpentiera obovata, Dodonaea viscosa, Bobea elatior, Polygonum punctatum Preserved_Specimen erect branching herb Wysong, M.L. 842 Molokai BISH 2005-12-08
68 Ludwigia octovalvis Laie--Malaekahana Ridge. Koolau Mts Wet forest along stream. Preserved_Specimen Weak, suffrutescent herb, flowers yellow, 1 m. tall. Fosberg, F.R. 9401 Oahu BISH 1933-04-15
69 Ludwigia octovalvis At small lake at uppper end of marsh. Very conspicuous, but rare to solitary Preserved_Specimen Primrose willow Smith, L.B. 2.1 Oahu BISH 1976-04-01
70 Ludwigia octovalvis East Maui, Hana, Puu Ki wet ditch Preserved_Specimen flowers yellow St.John, H. 17864 Maui BISH 1936-12-31
71 Ludwigia octovalvis Main divide, crest of Koolau Mts., above Kaipaupau Gulch wet open place on ridge Preserved_Specimen suffrutescent herb about 1m tall, flowers yellow Fosberg, F.R. 13997 Oahu BISH 1937-05-31
72 Ludwigia octovalvis W of K-2300, N of Saddle Rd In kupuka, open Metrosideros-Acacia forest with understory of numerous native shrubs and ferns and introduced grasses. Preserved_Specimen Wagner, W.L. 4691 Hawaii BISH 1982-11-18
73 Ludwigia octovalvis Below trail along Pauoa Ridge Preserved_Specimen Hypanthium light green; calyx lobes green; corolla lobes yellow; stamens yellow; to three feet tall Crosby, M.R. 1349 Oahu BISH 1964-06-13
74 Ludwigia octovalvis Small ravine north west of Maunahui Preserved_Specimen Degener, O. 11309 Molokai BISH 1928-05-20
75 Ludwigia octovalvis Waimanu Trail, Waimanu Valley Preserved_Specimen Sohmer, S.H. 6089 Oahu BISH 1969-09-13
76 Ludwigia octovalvis Waipio, Kipapa gulch, S ridge Preserved_Specimen Hosaka, E.Y. 721 Oahu BISH 1932-09-18
77 Ludwigia octovalvis Kalihi Valley Preserved_Specimen suffrutescent, 1 m tall, flowers pale yellow Fosberg, F.R. 10527 Oahu BISH 1933-04-07
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