Tephrosia spp.
Family: Fabaceae
Tephrosia image
Patrick Alexander  
Cal-tube hemispheric, slightly oblique, the lobes lanceolate, exceeding the tube; standard subrotund, short-clawed, sericeous on the back; wings and keel connivent, broadly auriculate on the upper side above the short claw, the wings obovate-oblong, the keel semicircular; stamens 10, the upper one at least partly free; style in our spp. bearded along the inner side; fr linear, several-seeded, dehiscent; our spp. perennial herbs from long roots, with odd- pinnate lvs, no stipellules, and medium-sized yellow or purple fls in terminal or lf-opposed racemes; lfls in our spp. with numerous straight parallel lateral veins. 400+, mostly warm reg.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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Species within Mouth of the San Francisco River through the Gila Box NCA