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

14. Astragalus sect. Lithophili Bunge, Mém. Acad. Imp. Sci. Saint Pétersbourg, sér. 7. 11(16): 29. 1868.

岩生组 yan sheng zu

Plants perennial, acaulescent or with a well-developed stem, herbaceous, covered with long, basifixed, mostly spreading hairs. Leaves imparipinnate with marcescent rachis; stipules free or more rarely shortly adnate to petiole. Racemes subsessile or with a short peduncle, few flowered. Calyx campanulate to tubular. Legumes subsessile to stipitate, 2-locular, with thin, membranous walls.

Four species: NW and W China, N India, Kazakhstan, Kyrgyzstan, Tajikistan; three species (one endemic) in China.

1 Plants acaulescent; calyx ca. 10 mm; petals white; standard ca. 12 mm; legumes sessile, ca. 10 mm.   73 A. dalaiensis
+ Plants with a well-developed stem; calyx at least 20 mm; petals yellow; legumes with a stipe 4-5 mm, 15-30 mm   (2)
2 (1) Stems, rachises, and peduncles glabrous or sparsely hairy; leaflets in 12-15 pairs, ovate to elliptic, 8-15 × 4-9 mm.   74 A. lithophilus
+ Stems, rachises, and peduncles densely villous; leaflets in 9-11 pairs, narrowly elliptic, 10-25 × 2-5 mm.   75 A. munroi


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