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

107. Astragalus dutreuilii (Franchet) Grubov & N. Ulziykhu­tag, Novosti Sist. Vyssh. Rast. 27: 93. 1990.

中昆仑黄耆 zhong kun lun huang qi

Oxytropis dutreuilii Franchet, Bull. Mus. Hist. Nat. (Paris) 3: 322. 1897.

Plants 6-12 cm tall, densely caespitose, covered with ap­pressed to subappressed hairs, with very short non-flowering stems. Flowering stems erect, 5-10 cm, slender, loosely cov­ered with white hairs 0.3-0.4 mm, with some black hairs mixed in. Leaves 0.8-2 cm, subsessile; stipules 3-4 mm, adnate to petiole for 0.5-1 mm, high vaginate-connate behind stem, sparsely white hairy; rachis loosely appressed hairy; leaflets in 3-6 pairs, elliptic, 1.5-3.5 × 0.8-1.5 mm, abaxially all over and adaxially toward margins loosely hairy, apex obtuse to slightly retuse. Racemes short, densely 6-8-flowered; pedun­cle 1-4 cm, loosely white hairy, toward raceme increasingly blackish hairy; bracts membranous, 1-1.5 mm, sparsely black hairy. Calyx ca. 4 mm, loosely covered with grayish black or black hairs 0.05-0.2 mm; teeth unequal, 1-2 mm. Standard obovate to widely ovate, ca. 9 × 5 mm, deeply incised; wings ca. 8 mm, limbs obtuse at apex; keel ca. 7 mm. Ovary with a stipe ca. 1 mm, glabrous. Legumes unknown.

● Xinjiang (C Kunlun Shan).


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