柔毛鸦胆子 rou mao ya dan zi

Brucea acuminata H. L. Li; B. mollis var. tonkinensis Lecomte.

Shrubs or small trees, usually 1-2 m tall, sometimes up to 5 m. Branchlets yellow-green, puberulent; branches red-purple, densely white lenticellate. Leaves odd-pinnate, 20-45(-60) cm; rachis and petiole densely yellow pubescent; leaflets 5-15; petiolules 3-7 mm; blades elliptic-lanceolate, ovate-lanceolate, or broadly lanceolate, 5-12(-15) × 2.5-5 cm, yellow tomentose when young, then puberulent or glabrescent, base broadly cuneate or slightly rounded, somewhat oblique, margin entire, apex long acuminate or acuminate; lateral veins 8-10 pairs, abaxially conspicuously prominent. Panicles long, 10-25 cm, slender; rachis densely yellow tomentose, then sparsely pubescent or glabrescent. Flowers 2-3 mm in diam. Petals spoon-shaped, shortly pubescent, longer than stamens. Disk flat and globose in males, shallowly disk-shaped in females. Ovary densely pubescent. Druparium ovoid, 8-12 × 6-8 mm, glabrous, red-brown when dry, shallowly reticulately wrinkled.

Mountainous sparse forests, thickets, roadside shrubs; 700-1200(-1900) m. Guangdong, Guangxi, Yunnan [Bhutan, Cambodia, India, Laos, Malaysia, Myanmar, Nepal, Philippines, Thailand, Vietnam].