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

1. Sophora velutina Lindley, Bot. Mag. 14: t. 1185. 1828.

短绒槐 duan rong huai

Shrubs, ca. 2 m high. Young branches, rachis, young branches of flower, and leaf densely velutinous. Leaves 15-20 cm; stipules linear, 6-7 mm, villous; leaflets 13-41, opposite or nearly opposite, ovate-lanceolate, elliptic, elliptic-lanceolate, oblong, or ovate-oblong, 1-4 × 0.5-2 cm, papery, hairy on both surfaces, glabrous, or glabrous adaxially, midvein raised, base rounded or obtuse, apex acuminate or acute with mucro. Ra­cemes opposite with leaf or pseudo-opposite, 15-20(-30) cm. Flowers many, widely spaced; bracts similar to stipule, 6-8 mm, hairy; pedicel short, 2-3 mm. Calyx campanulate, ca. 13 mm; teeth 5, unequal, dark brown hairy. Standard reflexed, ob­ovate-lanceolate or obovate-oblong, ca. 16 × 3-5 mm, apex retuse, narrowing to base; wings oblong, less than 15 mm, base auriculate; keel falcate, slightly shorter than wings. Stamens 10, free or slightly fused at base. Ovary terete, densely yellow pubescent, stalked; ovules 4-6; style straight, glabrous; stigma capitate, very small. Legumes moniliform, slightly compressed, 6-10 × 0.7-1 cm, hairy or nearly glabrous. Seeds 2-4, yellow or yellow-brown, oblong-reniform, ends acute to rounded. Fl. and fr. Apr-Aug.

Forests, mountain forests, valleys, riverbanks, rocky places; 500-2500 m. Guangxi, Guizhou, Sichuan, Yunnan [Bangladesh, Bhutan, India, Myanmar].

1 Leaflets hairy on both surfaces; legumes densely hairy.   1a var. velutina
+ Leaflets glabrous or nearly glabrous adaxially; legumes sparsely hairy or nearly glabrous   (2)
2 (1) Inflorescence terminal; leaflets (19-)25-35(-41), small, 10-15 × 5-6 mm.   1b var. multifoliolata
+ Inflorescence opposite with leaf; leaflets fewer than 21, large, 2-4 × 1.5-2 cm   (3)
3 (2) Midvein of leaflets raised; fruit neck long, 2-4 cm   1c var. dolichopoda
+ Midvein of leaflets impressed; fruit neck short, less than 1.5 cm   (4)
4 (3) Erect shrubs; legumes nearly glabrous.   1d var. cavaleriei
+ Climbing shrubs or woody vines; legumes pilose.   1e var. scandens

Lower Taxa


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