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

14. Phyllolobium pastorium (H. T. Tsai & T. T. Yu) M. L. Zhang & Podlech, Feddes Repert. 117: 57. 2006.

牧场膨果豆 mu chang peng guo dou

Astragalus pastorius H. T. Tsai & T. T. Yu, Bull. Fan Mem. Inst. Biol. 9: 264. 1940; A. pastorius var. linearibrac­teatus K. T. Fu; A. tenchingensis S. S. Cheng ex K. T. Fu.

Plants 25-40 cm tall, with appressed hairs 0.1-0.5 mm. Stems prostrate to ascending or erect, glabrous or sparsely to loosely or especially in upper part to rather densely covered with subappressed to ascending white and black hairs. Leaves 6-10 cm; stipules 4-7 × 3-5 mm, glabrous or with a few black hairs at margins; petiole 1-2 cm, glabrous or very sparsely fur­nished with short black hairs; leaflets in 2-5 pairs, 10-30 × 3.5-10 mm, abaxially sparsely to loosely covered with appressed white or black and white hairs 0.3-0.4 mm, adaxially glabrous or sparsely hairy. Racemes rather densely 4-8-flowered; pedun­cle (3-)4.5-10 cm, glabrous or sparsely to rather densely black hairy; bracts 4-6 mm, black hairy. Bracteoles 1-2 mm. Calyx 5-7(-10) mm, densely to rather densely covered with appressed black hairs 0.1-0.3 mm; teeth 2-3(-5) mm. Petals blue; stan­dard suborbicular, 12-13 × 9-10 mm; wings ca. 11 mm; keel ca. 11 mm. Legumes with a stipe ca. 4 mm, 15-25 mm, ca. 5 mm high and wide, with a straight beak 1-3 mm, 2-locular, sparsely to loosely furnished with appressed black hairs 0.05-0.15 mm.

● 3000-4000 m. Sichuan, Xizang, Yunnan.


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