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

39. Astragalus sect. Onobrychides A. Gray, Proc. Amer. Acad. Arts. 6: 197. 1864.

驴豆组 lü dou zu

Astragalus sect. Onobrychium Bunge.

Plants with well-developed stem, covered with appressed to spreading, medifixed to slightly or strongly, even extremely, asym­metrically bifurcate or partly subbasifixed hairs. Stipules small, membranous, free from petiole, distinctly vaginate-connate behind stem. Peduncles straight, mostly shorter than stems. Bracteoles absent. Calyx tubular or campanulate, ruptured by legumes. Petals glabrous. Legumes 2-locular to more rarely incompletely 2-locular.

Eighty-nine species: mostly in SW Asia (Caucasus, Iran, and Turkey), spreading into Europe, other parts of SW Asia, C Asia, Pakistan, China, Mongolia, Russia, and Japan; two species in China.

1 Leaflets in 4-7 pairs, 2-5 × 1-2 mm; standard 8-9 mm.   251 A. laspurensis
+ Leaflets in 6-16 pairs, 5-25 × 2-7 mm; standard 12-16 mm.   252 A. laxmannii


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