Physical Description
provided by USDA PLANTS text
Perennial, Herbs, Vines, twining, climbing, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems prostrate, trailing, or mat forming, Stems 1-2 m tall, Stems greater than 2 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules green, triangulate to lanceolate or foliaceous, Stipules deciduous, Stipules free, Leaves simple, or appearing so, Leaves pinnately 3-foliolate, Leaves o dd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 1, Leaves glandular punctate or gland-dotted, Leaves hairy on one or both surfaces, Flowers in axillary clusters or few-floweredracemes, 2-6 flowers, Inflorescences racemes, Inflorescence sessile or subsessile, Inflorescence axillary, Bracts conspicuously present, Flowers zygomorphic, Calyx 5-lobed, Calyx gland-dotted or with glandular spot, Calyx hairy, Calyx lobes exceeding or about equal to corolla, Petals separate, Corolla papilionaceous, Petals orange or yellow, Banner petal ovoid or obovate, Wing petals narrow, oblanceolate to oblong, Wing petals auriculate, Wing tips obtuse or rounded, Keel abruptly curved, or spirally coiled, Keel tips obtuse or rounded, not beaked, Keel petals fused on sides or at tip, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style terete, Style hairy, Style persistent in fruit, Fruit a legume, Fruit unilocular, Fruit freely dehiscent, Fruit oblon g or ellipsoidal, Fruit strongly curved, falcate, bent, or lunate, Fruit exserted from calyx, Fruit beaked, Fruit hairy, Fruit 2-seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.