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

262. Astragalus maiusculus Podlech & L. R. Xu, Novon. 17: 239. 2007.

买依尔黄耆 mai yi er huang qi

Plants ca. 20 cm tall. Stems several, branched, old parts lignified, stems of current year 1-5 cm, very densely hairy; hairs ± medifixed, appressed to subappressed, white, near nodes also black, 0.8-1 mm. Leaves 5-15 cm; stipules 5-9 mm, very shortly adnate to petiole, shortly but distinctly vaginate-connate behind stem, densely hairy; petiole 3-9 cm, like rachis sparsely to loosely covered with subappressed to ascending, symmetri­cally to strongly asymmetrically bifurcate hairs 0.8-1.5 mm; leaflets in 5-8 pairs, remote, elliptic, 5-10 × 2-6 mm, both sur­faces loosely covered with symmetrically or asymmetrically bi­furcate, subappressed to slightly ascending hairs 1.2-2 mm, apex rounded. Racemes short, densely 3-5-flowered; peduncle 2-4 cm, loosely to rather densely white and black hairy like rachis; bracts 4-5 mm, white and black or predominantly black hairy. Calyx 13-14 mm, slightly inflated, rather densely covered with symmetrically or asymmetrically bifurcate, subap­pressed to ascending, flexuous, on dorsal side and at teeth pre­dominantly black, on ventral side often predominantly white hairs 0.8-1 mm; teeth 2-3 mm. Petals pale yellow; standard obovate, 25-27 × 10-11 mm, deeply and widely emarginate; wings 23-24 mm, limbs narrowly oblong, obliquely and some­times deeply emarginate; keel ca. 20 mm. Ovary subsessile, linear, white hairy. Legumes unknown.

● N Xinjiang (Toli).


 

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