Trees or shrubs, 6-9 m tall, young branches glabrous. Leaves imparipinnate, 3-foliolate; rachis 4-6 cm; stipules 2-3 cm, linear-lanceolate, membranous; terminal petiolule ca. 1.5 cm, lateral ones ca. 3 mm; leaflet blades elliptic, 6-8 × 3-3.5 cm, membranous, glabrous, green adaxially and light green to pale abaxially, lateral veins 5 or 6 pairs, base broadly cuneate, margin glandular serrulate, apex acuminate. Inflorescence with 20-30 flowers terminally on new branchlets; bracts linear, 2-3 mm; peduncle 4-6 cm. Flowers white to light yellow; pedicel ca. 8 mm. Sepals elongate-orbicular, ca. 8 mm. Petals obovate, as long as sepals. Filaments slightly puberulent. Ovary 2-locular; style 2, slightly villous. Fruits not seen.

● Forests; ca. 2700 m. NW Yunnan (Nu Jiang).