Medicago minima

(L.) Bartal. (1776)

This name is accepted

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

small bur clover

Description

Key Characters:

Growth Form: Annual herbs.

Stems: Stems decumbent, 1–5 dm long, many-branched, villous.

Roots:

Leaves: Leaves compound. Alternate. Leaflets obovate to cuneate–oblong, 5–16 mm long, 3–10 mm wide, sometimes with a dark spot. Apex rounded to emarginate. Surfaces appressed villous, less so with age. Margins denticulate in upper ½, Entire to shallowly dentate at base. Leaflets with veins extending to margins. Petiolate. Stipules ovate to lanceolate, 4–7 mm long, adnate to petiole.

Flowers: Flowers (1–)3–6(–8) in racemes, with an explosive tripping mechanism, bracts short. Flowers papilionaceous; bracteoles absent. Calyx campanulate, the tube short, 5-toothed, the teeth subequal. Corolla yellow, 3–5 mm long, deciduous after anthesis, distinct from staminal tube, keel obtuse, shorter than wings. Stamens 10; upper filament distinct, the other 9 connate into a tube, none of the filaments dilated. Ovary superior, sessile; style subulate, glabrous.

Fruit: Pods subglobose; exserted from calyx; reniform; spirally twisted in 3–5 turns; sparsely pubescent and somewhat glandular; transverse veins prominent; not anastomosing; submarginal and marginal vein with spreading; uncinate prickles 3–4 mm long; groove between the veins wide. Seeds several.

Ploidy: 2n = 16

Habitat: Pastures and along roadsides.

Elevation Range: 670–915 m.

Historical Distribution

Synonyms (59)

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized
Lana'i Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Specimens

Notes

  • 670-915 m
  • Description digitized by Tiffany Flood
  • Description digitized from the Manual of the Flowering Plants of Hawaii
  • First collected on Ldna'i in l9l4 (Munro 295, BISH)

Bibliography

Name Published In: Cat. Piante Siena: 60 (1776)

Other References

Wagner et al. 1990:684 (L, M, H); Wagner & Herbst 1995:20 (K)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Medicago minima (L.) Bartal. Koele PRESERVED_SPECIMEN Munro, G.C. 295 Lanai BISH 6/28/1914
2 Medicago minima (L.) Bartal. east maui, makawao district, ulupalakua occasional in pasture PRESERVED_SPECIMEN hosaka, e.y. collector number: 1813 Maui BISH 4/13/1937
3 Medicago minima (L.) Bartal. n. kohala, keamoku On dead 7 living coral. PRESERVED_SPECIMEN hosaka, e.y. collector number: 3583 Oahu BISH 2/23/1948
4 Medicago minima (L.) Bartal. Koele PRESERVED_SPECIMEN Munro, G.C. 362 Lanai BISH 6/28/1919
5 Medicago minima (L.) Bartal. N. Kohala, Keamoku dry pasture PRESERVED_SPECIMEN Hosaka, E.Y. 3583 Hawaii BISH 2/23/1948
6 Medicago minima (L.) Bartal. koele PRESERVED_SPECIMEN munro, g.c. collector number: 295 Lanai BISH 6/28/1914
7 Medicago minima (L.) Bartal. koele PRESERVED_SPECIMEN munro, g.c. collector number: 362 Lanai BISH 6/28/1919
8 Medicago minima (L.) Bartal. Kula Jct. (37 and 377) PRESERVED_SPECIMEN Hobdy, R.W. 478 Maui BISH 4/4/1979
9 Medicago minima (L.) Bartal. East Maui, Makawao District, Ulupalakua occasional in pasture PRESERVED_SPECIMEN Hosaka, E.Y. 1813 Maui BISH 4/13/1937
10 Medicago minima (L.) Bartal. lihue, niumalu flat; nawiliwili bay along small boat harbor base of rock cliff on W ridge. In shade of Metrosideros, Antidesma, Psidium PRESERVED_SPECIMEN flynn, t. lorence, d. collector number: 2142 Oahu BISH 4/3/1987
11 Medicago minima (L.) Bartal. no. kohala, keamoku. PRESERVED_SPECIMEN e. y. hosaka 3583 Hawaii US 2/23/1948
12 Medicago minima (L.) Bartal. Hamakuapoko. PRESERVED_SPECIMEN Hank Oppenheimer H50205 Maui PTBG 5/4/2002
13 Medicago minima (L.) Bartal. Lihue, Niumalu Flat; Nawiliwili Bay along small boat harbor with Melilotus indica PRESERVED_SPECIMEN Flynn, T. 2142 Kauai BISH 4/3/1987
14 Medicago minima (L.) Bartal. Makawao, Ulupalakua. PRESERVED_SPECIMEN Hosaka, E. Y. 1813 Maui US 4/13/1937
15 Medicago minima (L.) Bartal. No. Kohala, Keamoku. PRESERVED_SPECIMEN Hosaka, E. Y. 3583 Hawaii US 2/23/1948
16 Medicago minima (L.) Bartal. kula jct. (37 and 377) PRESERVED_SPECIMEN hobdy, r.w. collector number: 478 Maui BISH 4/4/1979
17 Medicago minima (L.) Bartal. makawao, ulupalakua. PRESERVED_SPECIMEN e. y. hosaka 1813 Maui US 4/13/1937