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FOC | Family List | FOC Vol. 10 | Fabaceae | Fabaceae Tribe GALEGEAE

58. Astragalus sect. Hypsophili Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 11(16): 136. 1868.

雪地组 xue di zu

Plants perennial, herbaceous, caulescent, covered with symmetrically or asymmetrically bifurcate hairs. Stipules free from petiole, high vaginate-connate behind stem. Racemes borne on long peduncles, spherical, few flowered. Bracteoles absent. Calyx at beginning of anthesis tubular, soon elongating and becoming inflated, bladderlike ovoid in fruit, not ruptured by legume. Legumes shortly stipitate, small, keeled ventrally, grooved dorsally, compressed laterally, incompletely 2-locular.

Four species: China, one also in C Asia and from Afghanistan to India; four species (three endemic) in China.

1 Leaflets on both surfaces densely hairy.   383 A. nivalis
+ Leaflets adaxially glabrous, abaxially sparsely to loosely hairy   (2)
2 (1) Calyx 12-14 mm in flower, 14-16 mm in fruit; standard 23-27 mm.   381 A. burchan-buddaicus
+ Calyx 8-11 mm in flower, 10-12 mm in fruit; standard 18-21 mm   (3)
3 (2) Plants 25-35 cm tall; peduncles 5-18 cm, sparsely to very sparsely hairy; calyx with black hairs 0.4-1.2 mm and with white hairs up to 1.5 mm; ovary with a stipe 1.5-2 mm.   384 A. yechengensis
+ Plants 12-20 cm tall; peduncles 1-3 cm, rather densely hairy; calyx with black hairs 0.3-0.5 mm and with slightly longer white hairs; ovary subsessile.   382 A. kukunoricus


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