Winged Bean

Annual, Perennial, Herbs, Vines, twining, climbing, Taproot present, Nodules present, Stems 1-2 m tall, Stems greater than 2 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Leaves alternate, Leaves petiolate, Stipules green, triangulate to lanceolate or foliaceous, Stipules persistent, Stipules free, Leaves co mpound, Leaves pinnately 3-foliolate, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Stipels present at base of leaflets, Leaflets 3, Leaves glabrous or nearly so, Inflorescences racemes, Inflorescence axillary, Bracts very small, absent or caducous, Bracteoles present, Flowers zygomorphic, Calyx 2-lipped or 2-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, Petals ochroleucous, cream colored, Petals reddish brown, maroon, Petals blue, lavander to purple, or violet, Petals bicolored or with red, purple or yellow streaks or spots, Banner petal suborbicular, broadly rounded, Banner petal auriculate, Wing petals narrow, oblanceolate to oblong, Wing petals auriculate, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style terete, Style hairy, Style hairy on one side only, Style with distal tuft of hairs, Fruit a legume, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruits quadrangulate, Fruits winged, carinate, or samaroid, Fruit rugose wrinkled or reticulate, Fruit coriaceous or becoming woody, Fruit exserted from calyx, Fruit glabrous or glabrate, Fruit 3-10 seeded, Fruit 11-many seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black, Seed surface mottled or patchy.