Drummond's Sesbania

Daubentonia drummondii Rydb. Am. Jour. Bot 10: 498. 1923.
Daubentonia longifolia DC. Mem. Leg. 286, in part, as to description. 1823. Daubentonia longifolia ? T. & G. Fl. N. Am. 1 :293. 1838.
Sesbania Cavanillesii S. Wats. Proc. Am. Acad. 17: 342, in part, as to specimens. 1882. Daubentonia Cavanillesii Standley, Contr. U. S. Nat. Herb. 23: 476. 1922.
A shrub. 2-6 m. high; stem and branches terete, glabrous or with a few scattered hairs when young; stipules lanceolate, 3-4 mm. long, early caducous; leaves 1-2 dm. long; rachis glabrous; leaflets 20-50, linear-oblong, mostly rounded and mucronate at the apex, acute or obtuse at the base, 1.5-3.5 cm. long, 4—7 mm. wide, sparingly strigose when young, soon becoming glabrous; racemes 5-10 cm. long; bracts and bractlets linear-subulate, 1-2 mm. long, caducous; pedicels spreading, about 1 cm. long; calyx about 3 mm. high and 4 mm. broad, the lobes short, broadly triangular, acute; corolla pale-yellow; banner 12-15 cm. long; wings and keel-petals about 10 cm. long; pod 5-6 cm. long, 1 cm. wide, glabrous, abruptly acuminate at each end, short-beaked, usually 4-6-seeded, the wings about 3 mm. wide; seeds quadrateorbicular, 5 mm. broad and long, 3 mm. thick, brown.
Type locality: Texas.
Distribution: Florida to Texas and San Luis Potosi.