Dalea leucosericea (Rydb.) Standl. & Steyerm.

Parosela leucosericea Rydberg, sp. nov
A shrub, 5 dm. high or more; branches erect, densely villous; leaves 1.5-3 cm. long, densely sericeous-villous; leaflets 9-11, broadly oval, 5-10 mm. long, mucronate; stipules subulate; spikes oblong, 2-3 cm. long, subsessile, 1 cm. thick; bracts lanceolate, silky-villous, equaling the calyx; calyx-tube turbinate, 3 mm. long, densely long-villous; lobes subulate-filiform, equaling the tube, long-villous; corolla rose-colored, or the banner yellow; blade of the banner 3 mm. long, rhombic-cordate; blades of the wings 4 mm. long, those of the keel-petals 5 mm. long; pod villous above, glabrate towards the base.
Type collected on hills near Tula, Oaxaca, May 20, 1906, Pringle 13866 (U. S. Nat. Herb. no. 462420).