Physical Description
provided by USDA PLANTS text
Perennial, Shrubs, Stems woody below, or from woody crown or caudex, Plants with rhizomes or suckers, Nodules present, Stems erect or ascending, Stems 1-2 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Stems silvery, canescent, tomentose, cobwebby, or wooly, Leaves alternate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Stipules membranous or chartaceous, Stipules setiform, subulate or acicular, Stipules deciduous, Stipules free, Leaves compound, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets alternate or subopposite, Stipels present at base of leaflets, Leaflets 10-many, Leaves hairy on one or both surfaces, Inflorescences racemes, Inflorescences spikes or spike -like, Inflorescence axillary, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Corolla reduced to 1 petal, Petals separate, Petals clawed, Petals blue, lavander to purple, or violet, Banner petal ovoid or obovate, Stamens 9-10, Stamens monadelphous, united below, Stamens long exserted, Filaments glabrous, Anthers versatile, Style terete, Style hairy, Fruit a legume, Fruit unilocular, Fruit indehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit strongly curved, falcate, bent, or lunate, Fruit exserted from calyx, Fruit hairy, Fruit gland-dotted or with gland-tipped hairs, Fruit 1-seeded, Seeds ovoid to rounded in outline, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.