| Dicotyledon | Literature for Macroptilium lathyroides
Wagner et al., 1990, 1999; Lorence & Wagner, 2020. |
| Fabaceae -- The Pea Family | Bibliography |
| Macroptilium lathyroides | |
Common name(s): cow pea, wild bean |
| General Information | ||
|---|---|---|
| Distribution | Native to the Neotropics, naturalized elsewhere.In the Hawaiian Islands, naturalized on Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i. |
|
| Habit |
Erect, annual or biennial herb, 0.6‒2 m tall, sometimes trailing or twining; stems appressed pubescent. |
|
| Leaves |
Leaves petiolate; leaflets narrowly elliptic to narrowly ovate, 3‒8 cm long, 1‒3.5 cm wide, abaxial surface sparsely pilose at maturity; petiole 1‒5 cm long; stipules lanceolate, 5‒6 mm long. |
|
| Flowers |
Inflorescences a pseudoraceme to 50 cm long. Flowers subsessile, ca. 15 mm long; calyx sericeous, tube 3.5‒5 mm long, lobes narrowly triangular, 1‒1.5 mm long; standard maroon to purple, wing and keel petals tinged green, red, or white. |
|
| Fruit |
Fruit 5.5‒10 cm long, 2.5‒3.5 mm wide, appressed pilose, valves becoming strongly twisted. |
|
| Seeds |
Seeds 18‒30, brown or marbled brown and black, obliquely oblong, 3‒3.5 mm long, 2‒3 mm wide, shallowly pitted. |
|
| Chromosomes |
2n = 22. |
|
| Contributor |
Nancy Khan |
