Rhus acuminata Candolle, Prodr. 2: 68. 1825; R. succedanea Linnaeus var. acuminata (Candolle) J. D. Hooker; Toxicodendron caudatum C. C. Huang ex T. L. Ming; T. succedaneum (Linnaeus) Kuntze var. acuminatum (Candolle) C. Y. Wu & T. L. Ming.

Small trees, 4-7.5 m tall; branchlets grayish brown, lenticellate, buds brown, glabrous or subglabrous. Petiole 5-10 cm, petiole and rachis slender; leaf blade imparipinnately compound, 16-28 cm; leaflets 5-9, opposite; leaflet petiolules 3-5 mm; leaflet blade elliptic or oblong, gradually increasing in size toward apex, 5-11 × 2-5 cm, papery, glabrous on both surfaces, glaucous abaxially, base rounded or broadly cuneate, margin entire, apex long caudate, lateral veins 15-25 pairs, subparallel. Inflorescence paniculate to 12 cm; rachis and first order branches slender, minutely pubescent. Pedicel 1.5-2 mm, minutely pubescent; flowers yellowish green. Calyx minutely pubescent, lobes ovate, ca. 1 mm, obtuse apically. Petals oblong, 2.5-3 × ca. 1 mm, revolute at anthesis. Stamens ca. 2 mm; filaments equal to anthers in length. Disk 5-lobed. Ovary ovoid, glabrous. Drupe oblate, symmetrical, 4-5 × 5-6 mm, glabrous, slightly lucid. Fl. May-Jul, fr. Aug-Oct.

Hill and mountain forests; 1600-2600 m. S Xizang, SW Yunnan (Zhenkang) [Bhutan, N India, Kashmir, Nepal].