卡尔古斯黄耆 ka er gu si huang qi

Astragalus pamiricus (B. Fedtschenko) B. Fedtschenko; A. staintonianus Ali; A. tianschanicus Bunge var. pamiricus B. Fedtschenko.

Plants 5-15 cm tall, acaulescent, caespitose, with white hairs 1-2(-2.5) mm. Leaves 5-9(-10) cm; stipules adnate to petiole for 3-5 mm, lower ones 8-10 mm, glabrous, upper ones up to 15 mm, ciliate; petiole 2.5-5 cm, in basal part glabrous or sparsely spreading hairy, in upper part ± densely spreading hairy like rachis; leaflets in 12-21 pairs, densely crowded to touching at margins, ovate, 4-6(-9) × 2-4(-6) mm, abaxially loosely to rather densely ± spreading hairy, adaxially glabrous, margins long rigidly comblike ciliate. Racemes crowded, with a glabrous peduncle 0.3-0.5(-0.7) cm, 3-5-flowered; bracts 4-7(-10) mm, ciliate. Calyx (11-)13-15(-17) mm, in basal part glabrous or scarcely hairy, toward teeth more densely spreading hairy; teeth 5-6 mm. Petals glabrous, creamy yellow; standard obovate, (18-)19-22 × 8-10 mm, apex emarginate; wings (17-)18-21 mm, auricle ca. 1 mm; keel 15-17 mm. Legumes sessile, (10-)14-18 mm, 4-5 mm high and wide, with a beak 3-5 mm, incompletely 2-locular; valves thin but tough, covered with spreading hairs up to 3 mm.

Xinjiang [Afghanistan, Pakistan, Tajikistan].