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

6. Dumasia yunnanensis Y. T. Wei & S. K. Lee, Guihaia. 5: 159. 1985.

云南山黑豆 yun nan shan hei dou

Herbs perennial, twining. Stems slender, hirtellous. Petiole 1-8 cm, glabrous or sparsely pubescent; petiolules extremely short; stipels small, setiform; leaflets membranous or thinly papery, elliptic to elliptic-ovate, 2-4 × 1.3-2.5 cm, abaxial sur­face with short adpressed hairs, adaxial surface almost glabrous, base broadly cuneate, rounded, or subtruncate, apex obtuse or subrounded, slightly concave, with mucro. Raceme axillary, 1-3.5 cm, hirtellous, 3-6-flowered, rarely more; peduncle short; bracts and bracteoles extremely short, setiform; pedicel 1-2 mm. Calyx 5-8 mm, glabrous or sparsely pubescent. Co­rolla yellow; petals subequal; standard oblong; wings and keels elliptic, with long claws. Legume narrowly falcate, compressed, 3-5 × 0.3-0.6 cm, glabrous, apex with beak. Seeds 3 or 4. Fl. Aug-Oct.

● Mountains, roadsides, valleys; 1300-2500 m. Sichuan, Yunnan.


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