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FOC | Family List | FOC Vol. 10 | Fabaceae | Astragalus

24. Astragalus henryi Oliver, Hooker’s Icon. Pl. 20: t. 1959. 1891.

秦岭黄耆 qin ling huang qi

Neodielsia polyantha Harms.

Plants 40-45 cm tall, with white hairs 0.1-0.3 mm, only at leaves 0.5-0.7 mm. Stems several, zigzaglike bent at nodes at least in upper part, slender, mostly glabrous. Leaves 6-12 cm; stipules membranous, yellowish, soon withering, narrowly ob­long to narrowly triangular, 5-8(-12) mm, glabrous or sparsely ciliate; petiole 2-4 cm, like rachis sparsely appressed hairy, at insertion of leaflets mostly with a small tuft of short hairs; leaf­lets in (1 or)2 pairs, with short, often undulate-winged petio­lules, narrowly elliptic, 1.5-4.5(-6) × 0.7-2(-2.5) cm, abaxially pale green, reticulately nerved, and loosely covered with partly spreading hairs, adaxially dark green and glabrous, apex obtuse to acute. Racemes many flowered, in fruit elongated and up to 11 cm; peduncle often branched and inflorescence therefore nearly paniculate, 1-4 cm, slender, glabrous; bracts greenish, linear, 2-4 mm, deflexed, soon falling. Calyx widely campanu­late-tubular, 4-5 mm, subglabrous to loosely appressed hairy; teeth inconspicuous, less than 0.3 mm. Petals yellow; standard elliptic-oblong, 8-10 × ca. 4 mm, very slightly emarginate; wings 6-8 mm; keel 8-10 mm. Legumes with a stipe 6-8 mm, obliquely ovoid, 1-1.5 cm, 5-7 mm high, compressed laterally, apex long acuminate; valves yellowish, thinly membranous, glabrous. Seeds mostly 1.

● Hebei, Shaanxi, Shanxi, Sichuan.


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