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

1. Phyllolobium balfourianum (N. D. Simpson) M. L. Zhang & Podlech, Feddes Repert. 117: 44. 2006.

长小苞膨果豆 chang xiao bao peng guo dou

Astragalus balfourianus N. D. Simpson, Notes Roy. Bot. Gard. Edinburgh 8: 123. 1913; A. minutebracteolatus N. D. Simpson; A. prattii N. D. Simpson; A. prattii var. multiflorus K. T. Fu; A. prattii var. pastorioides K. T. Fu; A. schneideri Ulbrich.

Plants 20-40(-60) cm tall, with appressed hairs 0.1-0.4 mm. Stems several, (6-)20-55 cm, mostly glabrous at base, in lower part loosely and in upper part more densely white and black hairy. Leaves 2-6 cm; stipules 3-5 mm, sparsely to loosely hairy; petiole short, 0.1-1 cm, like rachis sparsely to rather densely hairy; leaflets in lower leaves mostly in 3-5 pairs, in upper leaves mostly in 5-10 pairs, 5-12(-16) × (2-)3-6 mm, abaxially subglabrous or loosely to rather densely white hairy, adaxially glabrous to very rarely sparsely appressed hairy. Racemes short, nearly capitate-umbellate, with 2-7(-9) flow­ers; peduncle 1-6.5 cm, loosely to rather densely predominantly black hairy; bracts 3-7 mm, sparsely hairy. Bracteoles 1-7 mm. Calyx 6-10 mm, covered loosely to rather densely with ap­pressed, predominantly blackish hairs up to 0.3 mm; teeth 3.5-6 mm. Petals violet to purplish; standard 12.5-17.5 × 9-14 mm; wings 11-16 mm; keel 12.5-16 mm. Legumes with a stipe 2-3.5 mm, 16-18 mm, 6-7 mm high and wide, with a beak 2-4 mm, 1-locular, loosely covered with mostly dark brown ap­pressed hairs 0.05-0.15 mm.

● 2600-4000 m. Gansu, Qinghai, Sichuan, Xizang, Yunnan.


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