13. Sophora tomentosa Linnaeus, Sp. Pl. 1: 373. 1753.
绒毛槐 rong mao huai
Shrubs or small trees, 2-4 m high. Branches shortly tomentose. Leaves 12-18 cm; stipules absent; leaflets 11-15(-19), oval or rounded, rarely ovate, 2.5-5 × 2-3.5 cm, nearly leathery, densely gray-white tomentose abaxially, glabrous adaxially, lateral veins obscure, base rounded, apex rounded or retuse. Racemes terminal, 10-20 cm, gray-white tomentose. Flowers dense; pedicel equal to calyx, 15-17 mm; bracts linear. Calyx campanulate, 5-6 mm, shortly tomentose. Corolla yellow or creamy white; standard broadly ovate, ca. 17 × 10 mm, claw ca. 3 mm; wings long elliptic, 1-auriculate, claw slender, ca. 5 mm; keel similar to wings, slightly shorter. Stamens 10, free. Ovary densely pubescent; style short, less than 2 mm. Legumes moniliform, 7-10 × 0.9-1 cm, shortly hairy. Seeds many, brown, globose, lustrous. Fl. Aug-Oct, fr. Sep-Dec.
Sand dunes, seashores. Guangdong, Hainan, Taiwan [seashores throughout the tropics].