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Lotus subbiflorus

Lag. (1805)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Fabales Family: Fabaceae Genus: Lotus

hairy bird's foot trefoil

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Description

Key Characters:

Growth Form: Prostrate annual herbs.

Stems: Stems up to 5 (–10) dm long, spreading long–villous, the hairs white or brown.

Roots:

Leaves: Leaves compound. Alternate. Leaflets ovate to elliptic or obovate, 5–22 mm long, 1–10 mm wide. Leaves appearing trifoliate, but actually pinnately 5–foliate with a basally placed pair of leaflets. Surfaces long–villous. Leaflet margins entire. Petiolate. Stipules present.

Flowers: Flowers (1)2–4 in heads, peduncles usually more than 10 mm long. Flowers papilionaceous. Calyx teeth 1.5–3 times as long as the tube, long–villous, 5-toothed. Corolla yellow with red veins, 5–13 mm long, keel obtusely angled on lower edge, long–beaked, standard obovate, wing petals oblong, auriculate, keel petals as long as wings, curved. Stamens 10; upper stamen distinct, the other 9 connate into a tube, alternately with longer filaments that are widened at apex. Ovary superior; ovules numerous; style 1, apical, bent abruptly upward at base.

Fruit: Pods straight; dehiscent with twisted valves; less than 3 times as long as calyx; (4–)6–12(–16) mm long; 1.5–2 mm wide; the valves contorting after dehiscence. Seeds 8–13; small.

Ploidy: 2n = 12; 24

Habitat: Pastures and along roadsides and trails.

Elevation Range: 640–1,160 m.

Historical Distribution

Images

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Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Notes

  • 160 m, on Maui and Hawai'i
  • Description digitized by Tiffany Flood
  • Description digitized from the Manual of the Flowering Plants of Hawaii
  • First collected on Hawai'i in 1936 (Hosako 1424, BISH).-PIate 92.

Bibliography

Name Published In: Varied. Ci. 2(4): 213 (1805)

Other References

Wagner et al. 1990:681 (M, H)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Lotus subbiflorus Olinda common weed in pastures and along roadsides Preserved_Specimen Hobdy, R.W. 2407 Maui BISH 1985-06-16
2 Lotus subbiflorus Keauhou Ranch, Kau District Growing with Pennisetum clandestinum in pasture near disturbed Metrosideros forest. Preserved_Specimen Erect spreading herb about 1' tall. Flowers yellow. Cuddihy, L.W. 467 Hawaii BISH 1980-05-20
3 Lotus subbiflorus Waikamoi Flume/Ditch Road roadside Preserved_Specimen Gagné, B.H. Maui BISH 1999-07-17
4 Lotus subbiflorus Kilauea Military Camp weedy disturbed places on pyroclastic soil Preserved_Specimen Prostrate, flowers yellow Fosberg, F.R. 44464 Hawaii BISH 1963-11-25
5 Lotus subbiflorus along Crater Rim Trail, Kilauea Iki Crater, between research area and Thurston Lava Tube Metrosideros rainforest Preserved_Specimen Wagner, W.L. 4864 Hawaii BISH 1983-07-26
6 Lotus subbiflorus Keauhou Ranch, Kau District, Koa reforestation area, increment 3 on fenceline Growing with Pennisetum, Anthoxanthum, and Festuca. Preserved_Specimen Prostrate, very hairy. Flowers yellow. Cuddihy, L.W. 124 Hawaii BISH 1980-01-14
7 Lotus subbiflorus Upper Olinda roadsides and untended lawms Preserved_Specimen flowers yellow orange Hobdy, R.W. 479 Maui BISH 1979-04-04
8 Lotus subbiflorus Olinda Common weeds on roadsides and pastures Preserved_Specimen Fls. yellow, plants forming mats Iltis, H.H. 440 Maui BISH 1967-08-04
9 Lotus subbiflorus Parker Ranch, Kaala Hilo grass land Preserved_Specimen flowers yellow Ewart III, G.R. 296 Hawaii BISH 1933-06-06
10 Lotus subbiflorus Kilauea, Crater Rim Rd., just N of Observatory roadside in ash and cinders, in full sun Preserved_Specimen prostrate, spreading from tap root, forming small mats Fosberg, F.R. 50390 Hawaii BISH 1968-04-20
11 Lotus subbiflorus Kau, Hawaii Volcanoes National Park near Observatory old road cut in dry native shrubland Preserved_Specimen Herb < 1' tall. Flowers yellow, red stripes Cuddihy, L.W. 1893 Hawaii BISH 1985-04-30
12 Lotus subbiflorus Makawao, Ulupalakua, Mohopilo volunteer in grass garden Preserved_Specimen Hosaka, E.Y. 1714 Maui BISH 1937-01-22
13 Lotus subbiflorus Makawao, Haleakala Br. Sta grass garden Preserved_Specimen Hosaka, E.Y. 2672 Maui BISH 1943-07-29
14 Lotus subbiflorus Puna, Volcano Preserved_Specimen Prostrate herb. Flowers dark yellow; veins of standard are red Herbst, D.R. 5525 Hawaii BISH 1975-10-21
15 Lotus subbiflorus Surety Ranch LLC Stock Ponds, Kohala, Big Island, Hawaii Growing in pasture outside of tire pond area. Preserved_Specimen Decumbent woody-herb, sprawling out from central root, yellow pea-like flowers. Crago, L.M. 2005127 Hawaii BISH 2005-03-20
16 Lotus subbiflorus Volcano dump Preserved_Specimen Wagner, W.L. 5266 Hawaii BISH 1984-02-28
17 Lotus subbiflorus Kukuau Ranch, Rubler Pond, paddock Preserved_Specimen Cooray, M.S. Hawaii BISH 1972-05-10
18 Lotus subbiflorus East Maui, Makawao Flume Road. Preserved_Specimen Hughes, G.D. 413 Maui BISH 1993-03-09
19 Lotus subbiflorus IBSS Keauhou Ranch, Mauna Loa Preserved_Specimen Adee, K.T. Hawaii BISH
20 Lotus subbiflorus Kilauea Military Camp weedy disturbed places on pyroclastic soil Preserved_Specimen Prostrate, flowers yellow Fosberg, F.R. 44464 Hawaii BISH 1963-11-25
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