Physical Description
provided by USDA PLANTS text
Perennial, Herbs, Plants with rhizomes or suckers, Nodules present, Plants stoloniferous, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems prostrate, trailing, or mat forming, Stems less than 1 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Stem hairs hispid to villous, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules green, triangulate to lanceolate or foliaceous, Stipules persistent, Stipules adnate to petiole, Leaves compound, Leaves even pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 4, Leaves glabrous or nearly so, Leaves hairy on one or both surfaces, Flowers solitary in ax ils, or appearing solitary, Inflorescences spikes or spike-like, Inflorescence axillary, Bracts conspicuously present, Bracts hairy, Flowers zygomorphic, Calyx 5-lobed, Calyx 2-lipped or 2-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, Petals orange or yellow, Banner petal suborbicular, broadly rounded, Wing tips obtuse or rounded, Stamens 9-10, Stamens or anthers dimorphic, alternating large and small, Stamens monadelphous, united below, Filaments glabrous, Style terete, Style hairy, Fruit a legume, Fruit a loment, jointed, separating into articles, Fruit unilocular, Fruit subterranean, Fruit indehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit rugose wrinkled or reticulate, Fruit exserted from calyx, Fruit compressed between seeds, Fruit torulose or moniliform, strongly constricted between seeds, Fruit glabrous or glabrate, Fruit 1-seeded, Fruit 2-seeded, Fruit 3-10 seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.