Astragalus vallaris M. E. Jones

Hesperonix vallaris (M. E. Jones) Rydberg
Astragalus vallaris M. E. Jones, Contr. W. Bot. 10: 59. 1902.
A perennial; stems glabrous, 2-4 dm. high, sulcate; leaves about 1 cm. long, ascending; stipules lanceolate, 3 mm. long ; leaflets 15-19, obovate or elliptic, glabrous, cuneate at the base, truncate or retuse at the apex, 10-16 mm. long; peduncles 5-10 cm. long; racemes 3-5 cm. long; bracts lanceolate, ovate, 2 mm. long; calyx sparingly black-hairy, the tube about 5 mm. long, the teeth subulate, 3-4 mm. long; corolla white, 18 mm. long; banner ovate-lanceolate, moderately arcuate; wings shorter, the blade linear; keel-petals much shorter, broadly lunate, purpletipped; pod coriaceous, glabrous, stipitate, the stipe 8 mm. long, the body ellipsoid, about 3 cm. long, 12 mm. thick and 8 mm. wide, cross-reticulate, acute at each end.
Type locality: Snake River Canon, near Ballard's Landing, Oregon.
Distribution: Eastern Oregon.