Shrubs, 0.5-2 m tall. Branchlets white or gray pubescent. Petiole 5-7 mm; terminal leaflet blade ovate, elliptic, or obovate, 6-10 × 2.5-4.5 cm, ca. 2 × as long as lateral leaflets, abaxially densely pubescent on veins, adaxially sparsely pubescent, lateral veins 6-10 on each side of midvein. Flowers 5 or 6, enclosed by pair of leaflike bracts; bracts orbicular, 1-1.5 cm in diam., both surfaces slightly pubescent, ciliate. Pedicel 2-3 mm, pubescent. Calyx ca. 2 mm. Corolla white or pale yellow; standard 5-6 mm, base attenuate, shortly and broadly clawed; wings ca. 5 × 1 mm, auriculate, clawed; keel ca. 6 × 2 mm, clawed, not auriculate. Pistil 6-7 mm; style 4.5-5.5 mm. Legume ca. 6 × 2.5 mm, slightly constricted on both sutures, usually 2-jointed; articles glabrous or sparsely pubescent and ciliate. Seed broadly elliptic or nearly orbicular, 2.2-2.8 × ca. 2 mm. Fl. Jul-Sep, fr. Oct-Nov. 2n = 22.
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A shrub. It grows up to 2 m tall. The small branches have a white or grey coating. The leaves have leaflets and the end leaflet is oval and 6-10 cm long by 3-5 cm wide. The side leaflets are smaller. They are hairy underneath. The flowers are in groups of 5 or 6 with a pair of leaf like bracts around them. The flowers are white or pale yellow. The pods are 6 mm long by 3 mm wide.
Wastelands on hills, roadsides, sparse forests on mountain slopes; at elevations from 200-2,000 metres. Teak forest, thickets, dry grassy fields, sometimes along watercourses.
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It is a tropical plant. It grows in wasteland and mountain slopes between 200-2,000 m above sea level. In XTBG Yunnan.
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