99. Astragalus danicus Retzius, Observ. Bot. 3: 41. 1783.
丹麦黄耆 dan mai huang qi
Plants up to 30 cm tall, with ± appressed to more rarely ascending hairs 0.3-0.5 mm. Stems mostly several, slender, 4-30 cm, glabrous in lower part, toward top increasingly white hairy, below stipules mostly with spreading black hairs. Leaves 2.5-6 cm; stipules whitish membranous, high vaginate-connate behind stem, lower ones ca. 2 mm, glabrous, upper ones up to 5 mm, ciliate and sparsely hairy; petiole 0.5-1.5 cm, like rachis loosely white and black hairy; leaflets in 6-12 pairs, narrowly elliptic, 2-12 × 0.5-4 mm, both surfaces sparsely to loosely hairy or adaxially nearly glabrous, apex rounded. Racemes short, densely 3-15(-20)-flowered; peduncle 1-10(-15) cm, in lower parts sparsely white hairy, toward raceme increasingly black hairy; bracts whitish membranous, 2-3 mm, black ciliate. Calyx 7-8 mm, densely and predominantly black hairy, more rarely predominantly white hairy; teeth 1.5-3 mm. Petals violet; standard rhombic-elliptic, 14-15 × 7-8 mm, apex deeply incised to bilobed; wings 12-13 mm; keel 10.5-11 mm. Legumes ellipsoid, slightly compressed dorsiventrally, 5-7 mm, ca. 3 mm high and 4-4.5 mm wide, ventrally and dorsally shallowly grooved, nearly completely 2-locular; valves blackish brown when ripe, densely covered with white hairs up to 1.5 mm, inserted on small tubercles.
Meadows, steppes, open forests, subarctic tundra, from plains to the mountain zone. Heilongjiang, Jilin, Nei Mongol [Kazakhstan, Russia; Europe].