Dalea filiformis A. Gray

Parosela filiformis (A. Gray) A. Heller, Cat. N. Am. PI. ed. 2 6. 1900.
Dalea filiformis A. Gray, PI. Wright. 2: 39. 1853.
A slender glabrous annual; stem 1-2 dm. high, with ascending branches, filiform, sparingly glandular-punctate; leaves 1.5-3 cm. long, ascending; stipules minute, subulate; petiole 510 mm. long; rachis glabrous, margined, sparingly glandular-dotted; stipels represented by small glands; leaflets 3, rarely 5, linear-filiform, 3-5 cm. long; spikes dense, short, 1 cm. long or less, 7 mm. thick; bracts deciduous, ovate, acute, ciliate, scarcely equaling the calyces; calyx-tube turbinate, silky, nearly 2 mm. long; lobes subulate, about equaling the tube; corolla purple or rose; blade of the banner broadly deltoid-ovate, nearly 2 mm. long, equaling the claw; blades of the wings and keel-petals 2 mm. long, the claws 1 mm. long; pod silky-pilose, densely so above.
Type locality: Copper Mines [Santa Rita del Cobre], New Mexico. Distribution: New Mexico, Arizona, and Chihuahua.