Psoralea canescens Michx.

Pediomelum canescens (Michx.) Rydberg
Psoralea canescens Michx. Fl. Bor. Am. 2: 57. 1803. Lolodes canescens Kuntze, Rev. Gen. 194. 1891.
A perennial, with a subglobose or fusiform tuberous root sometimes 4 mm. thick; stem 3-10 dm. high, coarsely canescent, much branched; leaves digitately 1-3-foliolate, subsessile or short-petioled; petioles 8 mm. long or less; stipules lanceolate or subulate, 1 cm. long or less; leaflets rounded-obovate, narrowed into distinct petiolules, 2-5 cm. long, rounded at the apex, minutely glandular-punctate and glabrate above, villous-canescent beneath; peduncles 2-5 cm. long; spikes loose, short, 2-4 cm. long; bracts 4-6 mm. long, ovate-acuminate; flowers shortpedicelled; calyx sparingly pubescent, 7 mm. long; lobes broadly lanceolate, acuminate, the upper four nearly 4 mm. long, the lowest about 7 mm. long; corolla dark-blue, 10-12 mm. long; banner obovate, the basal lobes small, half-round; wings with an oblong basal lobe; pod 1 cm. long, ovate with a broad straight beak ; seed nearly orbicular, dark-brown.
Type locality: Carolina.
Distribution: North Carolina to Florida and Alabama.