Astragalus calycosus Torr. ex S. Wats.

Hamosa manca Rydb. Bull. Torrey Club 54: 17. 1927
An acaulescent tufted cespitose perennial, with a short woody caudex; stems less than 1
cm. long; leaves 1.5-2 cm. long; stipules deltoid, 2 mm. long; leaflets 6-1 1, elliptic-oblanceolate,
2-4 mm. long, 1-2 mm. wide, acute or obtusish, silvery-canescent ; peduncles slender, 2-5 cm.
long; racemes 1or 2(rarely 3-) flowered; bracts lanceolate, 1 mm. long; calyx campanulate,
silvery-strigose, the tube 3-4 mm. long, the teeth deltoid, 1 mm. long; corolla about 1 cm.
long, ochroleucous, the keel tipped with purple; banner broadly obovate, deeply notched;
wings of about the same length, broad, 2-lobed at the apex ; keel-petals broadly lunate, rounded
at the apex; pod oblong-ovate, about 1 cm. long and 4 mm. wide, sericeous.
Type locality: Clover Mountains, Nevada, near Death. Distribution: Northeastern Nevada.

Hamosa calycosa (Torr.) Rydb. Bull. Torrey Club 40: 50. 1913
Astragalus calycosus Torr.; S. Wats. Bot. King's Expl. 66. 1871.
Tragacantha calycosa Kuntze, Rev. Gen. 943. 1891.
Astragalus brevicaulis A. Nelson, Bull. Torrey Club 26: 9. 1899.
A subacaulescent, densely cespitose perennial, with woody caudex; leaves numerous, 2-6 cm. long; stipules deltoid, 3-5 mm. long; leaflets 3-7, oblong, oblanceolate, or obovate, 2-10 mm. long, silvery-silky on both sides, obtuse or acute; peduncles 2-5 cm. long; racemes 2-6flowered; bracts ovate, 1-2 mm. long; pedicels 1-3 mm. long; calyx silvery-silky, the tube 4 mm. long, the teeth subulate-lanceolate, 2-3 mm. long; corolla white or purple, about 15 mm. long; banner broadly obovate, abruptly arched, deeply notched; wings slightly shorter, the blade obovate, deeply 2-lobed at the apex, with a large rounded auricle; keel-petals much shorter, the blade strongly arched above, with a rather indistinct auricle; pod oblong, acute, slightly arcuate, about 15 mm. long, 4 mm. wide and 3 mm. thick, strigose-canescent, slightly sulcate on the lower suture, cordate in cros-ssection.
Type locality: West Humboldt Mountains, Nevada. Distribution: Western Wyoming and Idaho to eastern California.