Physical Description
provided by USDA PLANTS text
Annual, Herbs, Taproot present, Nodules present, Stems erect or ascending, Stems less than 1 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Leaves simple, or appearing so, Leaf or leaflet margins entire, Leaflets 1, Leaves hairy on one or both surfaces, Inflorescences racemes, Inflorescence axillary, Inflorescence terminal, Inflorescence or flowers lax, declined or pendulous, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Calyx hairy, Calyx lobes exceeding or about equal to corolla, Petals separate, Corolla papilionaceous, Petals orange or yellow, Banner petal suborbicular, broadly rounded, Wing petals narrow, oblanceolate to oblong, Keel abruptly curved, or spirally coiled, Stamens 9-10, Stamens or anthers dimorphic, alternating large and small, Stamens monadelphous, united below, Filaments glabrous, Styl e terete, Style hairy, Fruit a legume, Fruit stipitate, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit enclosed in calyx, Fruit inflated or turgid, Fruit glabrous or glabrate, Fruit 11-many seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.
