Deciduous small trees, 3-5 m tall, glabrous except for hairy inflorescence. Leaves alternate, usually clustered at apex of branchlet; petiole 2-3 cm; leaf blade orbicular to broadly obovate, 6-8 × 5-7 cm, glaucous abaxially, pinninerved, lateral veins 5 or 6 pairs, base rounded or cuneate, apex rounded. Umbels clustered at apex of branchlet, 9-11-flowered, flowering with leaves; peduncle 3-4 mm. Pedicel slender, 1-1.5 cm. Perianth segments 6, yellow, ovate or broadly ovate. Male flowers: fertile stamens 9; filaments glabrous, of 3rd whorls each with 2 stipitate large glands at base; rudimentary pistil glabrous. Fruit globose, 5-6 mm in diam., seated on shallowly discoid perianth tube; fruiting pedicel 1-1.5 cm, slightly thickened at apex. Fl. Apr-May, fr. Aug-Sep.
Sunny slopes on mountains, along banks in river valleys, thickets on shady slopes, arid and barren secondary forests, sometimes in pure stands; at elevations from 700-2,000 metres.
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