斋桑黄耆 zhai sang huang qi

Plants 6-15 cm tall, nearly acaulescent; hairs appressed, ± medifixed, in vegetative parts mostly white, 0.5-0.8 mm. Stems, if present, 0.5-2 cm, densely hairy. Leaves 5-11 cm; stipules 3-4 mm, shortly adnate to petiole, densely hairy; petiole 2-5 cm, like rachis densely hairy; leaflets in 3-7 pairs, 4-12 × 1.5-4 mm, both surfaces very densely hairy. Racemes rather densely 5-11-flowered; peduncle 3-8 cm, densely white hairy; bracts 3-4 mm, sparsely hairy or only ciliate with mostly basifixed white hairs. Calyx at anthesis ca. 7 mm, tubular, loosely to rather densely white hairy; teeth narrowly triangular, ca. 1 mm; fruiting calyx inflated ovoid, 14-15 mm, 6-7 mm in diam., loosely covered with white and some black hairs. Petals sulfur-yellow; standard elliptic, 20-22 × 5-9 mm, constricted in lower part, apex emarginate; wings 18-20 mm, limbs narrowly ob­long, bilobed; keel 15-16 mm. Ovary with a stipe up to 3.5 mm. Legume enclosed in calyx, 8-10 mm, 3-4 mm high, incompletely 2-locular; valves densely covered with appressed white hairs.

Xinjiang [Kazakhstan, Mongolia, Russia (Siberia)].