Woodland Sensitive Pea

Perennial, Herbs, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems less than 1 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Stems hairs pilose or spreading, Leaves alternate, Lea ves petiolate, Extrafloral nectary glands on petiole, Stipules conspicuous, Stipules green, triangulate to lanceolate or foliaceous, Stipules persistent, Stipules free, Leaves compound, Leaves even pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves hairy on one or both surfaces, Flowers solitary in axils, or appearing solitary, Inflorescence axillary, Bracts very small, absent or caducous, Bracteoles present, Flowers actinomorphic or somewhat irregular, Calyx 5-lobed, Calyx hairy, Petals separate, Petals clawed, Petals orange or yellow, Stamens 9-10, Stamens heteromorphic, graded in size, Stamens completely free, separate, Filaments glabrous, Anthers opening by basal or terminal pores or slits, Style terete, Fruit a legume, Fruit unilocular, Fruit freely dehiscent, Fruit oblong or ellipsoidal, Fruit strongly curved, falcate, bent, or lunate, Fruit exserted from calyx, Fruit internally septate between the seeds, Fruit compressed between seed s, Fruit explosively or elastically dehiscent, Valves twisting or coiling after dehiscence, Fruit glabrous or glabrate, Fruit hairy, Fruit 3-10 seeded, Seeds subquadrate, Seed surface smooth, Seeds olive, brown, or black.