Phaca wootoni

Phaca wootoni (Sheldon) Rydberg
Astragalus triflorus A. Gray, PI. Wright. 2: 45. 1853. Not Phaca triflora DC. 1802.
Astragalus Wootoni Sheldon, Minn. Bot. Stud. 1: 138. 1894.
Astragalus Candolleanus Sheldon, Minn. Bot. Stud. 1: 140. in part. 1894.
Astragalus playanus M. E. Jones, Contr. W. Bot. 8: 6. 1898.
Astragalus triflorus playanus M. E. Jones, Rev. Astrag. 106. 1923.
Annual or perennial; stems several from the woody root, 1-3 dm. high, eiect or decumbent below, finely striate; leaves ascending, 5-10 cm. long; stipules deltoid, 3-4 mm. long, acuminate; leaflets 9-19, oblong, mostly obutse, 1-2 cm. long, strigose beneath, glabious above; peduncles 2-5 cm. long; racemes 61 0-flowered ; calyx strigose, the tube campanulate, 2-2.5 mm. long, the lobes subulate, nearly as long; corolla pink, purplish, or white, 7-S mm. long; petals as in the preceding species; pod sessile, 2-2.5 cm. long, 1-1.5 cm. broad, strigulose; seeds brown, as in the preceding.
Type locality: Las Cruces, New Mexico.
Distribution: Western Texas to Arizona and northern Mexico.