黄绿膨果豆 huang lü peng guo dou

Astragalus flavovirens K. T. Fu, Bull. Bot. Res., Harbin 2(1): 122. 1982; A. angustifoliolatus K. T. Fu.

Plants loosely caespitose, in vegetative parts covered with appressed white hairs 0.1-0.3 mm, in inflorescence mostly with dark brownish to blackish hairs. Stems 10-40(-60) cm, pros­trate to ascending or erect, in lower part only with bractlike stipules without developed leaves, loosely hairy. Leaves 2-11 cm, nearly sessile; stipules 4-8 mm, loosely hairy or sparsely ciliate; rachis loosely hairy; leaflets in 7-13 pairs, 5-16 × 1-4(-7) mm, abaxially sparsely to loosely hairy, adaxially gla­brous, mostly somewhat cucullate at apex, with a cusp up to 0.5 mm. Racemes short, densely 3-9-flowered; peduncle 3-11 cm, blackish brown hairy; bracts 5-6 mm, with blackish brown hairs. Bracteoles 1.5-4 mm. Calyx 7-9 mm, loosely covered with appressed black hairs 0.05-0.1 mm; teeth unequal, 2 upper 2-4 mm, 3 lower 4-6 mm. Petals yellowish, sometimes with purple tip; standard suborbicular, ca. 15 × 11 mm; wings ca. 12 mm; keel ca. 13 mm. Ovary with a stipe ca. 3 mm, linear, gla­brous to white hairy. Legumes unknown.

● 2500-3000 m. Yunnan.