Toxicodendron wallichii (Hook. fil.) Kuntze

Trees, 5-7 m tall, rarely more; branchlets ferruginous tomentose, lenticellate. Petiole and rachis ferruginous tomentose; leaf blade imparipinnately compound to 30 cm; leaflets 7-11, opposite; leaflet petiolule 1-3 mm, tomentose; leaflet blade ovate-elliptic to oblong-elliptic, 10-13 × 5-7 cm, coriaceous, adaxially minutely pubescent, sometimes only along midrib, abaxially ferruginous tomentose, base rounded to subcordate, margin entire, apex acuminate, lateral veins 20-25 pairs, veinlets prominent abaxially. Inflorescence paniculate, 12-15 cm, less than half as long as pinnately compound leaf; peduncle and rachis ferruginous tomentose, lenticellate. Flowers light yellow, sessile to subsessile. Calyx lobes ca. 0.7 mm, glabrous. Petals oblong, ca. 2 mm. Stamens equal to petals in length. Disk 5-lobed. Ovary globose, ferruginous pubescent. Infructescence erect; drupe globose, minutely pubescent; epicarp thin, irregularly dehiscent at maturity; mesocarp thick, waxy, with brown longitudinal resin canal.

SW Guangxi, S Xizang, SE and W Yunnan [N India, Nepal].

Lowland, hill, and mountain forests; 700-2400 m.