Description from Flora of China
Heptapleurum khasianum C. B. Clarke in J. D. Hook., Fl. Brit. India 2: 730. 1879; Schefflera yui C. J. Tseng & G. Hoo.
Trees, to ca. 10 m tall, hermaphroditic. Petiole 15-34 cm; petiolules 2.5-6 cm; leaflets 5-7(-9), oblong to elliptic, ovate or obovate, often narrowly so, 11-22 × 4-8 cm, leathery, both surfaces glabrous, secondary veins 12-16 pairs, inconspicuous abaxially, raised adaxially, base obtuse to rounded, margin entire, minutely thickened, revolute, apex shortly acuminate, often abruptly so. Inflorescence a pseudo-lateral panicle of umbels, gray white stellate pubescent, glabrescent; primary axis ca. 10 cm; secondary axes to ca. 30 cm; peduncles 0.5-1 cm; pedicels ca. 2.5 mm. Calyx subentire. Ovary 6-9(or 10)-carpellate; stigmas broadly conic, sessile. Fruit globose, ca. 4 mm in diam., slightly ribbed when dry. Fl. Apr-May, Nov, fr. May-Jul.
Evergreen forests; 800-1700 m. SE Xizang (Mêdog), SW Yunnan [India, N Vietnam].