Phacomene artemisiarum

Phacomene artemisiarum (M. E. Jones) Rydberg
Astragalus Beckwithii purpureas M. E. Jones. Zoe 3: 28S. 1893. Astragalus artemisiarum M. E. Jones. Zoe 5: 46. 1900. Phaca artemisiarum Rydb. Bull. Torrey Club 40: 48. 1913.
A cespitose perennial, with a deep, thick, woody root; stems ascending, 1-3 dm. high, glabrous, striate, often purplish-dotted; leaves ascending, 5-10 cm. long; stipules broadly deltoid, 3-5 mm. long; leaflets 11-21, oval, 5-10 mm. long, 4-8 mm. wide, rounded or retuse at the apex, glabrous; peduncles 5-7 cm. long, glabrous; bracts lanceolate, about 3 mm. long, glabrous; pedicels about 2 mm. long; calyx sparingly black-hairy, the tube 4—5 mm. long, the teeth subulate, 2-2.5 mm. long; corolla purple, with a white spot on the banner, about 2 cm. long; banner strongly curved, obovate, retuse at the apex; wings shorter, the blade obliquely oblong-obovate ; keel-petals much shorter, the blade strongly lunate, rounded at the apex; pod lunate in sideview, acuminate at both ends, the stipe 4—5 mm. long, the body 2.5-3 cm. long, mottled, glabrous, the upper suture sharp, with a narrow wing-margin, the lower more or less sulcate, the imperfect septum less than 1 mm. broad.
Type locality: Deep Creek Mountains, western Utah. Distribution: Western Utah and eastern Nevada.