Euptelea davidiana Baillon; E. delavayi Tieghem; E. franchetii Tieghem; E. minor Ching.

Trees or shrubs, 2--15 m tall. Branchlets purple-black to gray, glabrous. Petiole 2--6 cm, glabrescent; leaf blade ovate to suborbicular, 5--16 × 3--15 cm, papery, abaxially glabrous or appressed pubescent on veins and vein axils hairy, adaxially glabrous or sparsely pubescent, base broadly cuneate, margin ir-regularly dentate, apex acuminate to cuspidate; secondary veins 6--11 on each side of midvein. Floral bracts elliptic, early deciduous. Pedicel 3--5 mm. Stamens 0.8--1.9 cm; filaments filiform to slightly flattened; anthers red, narrowly oblong, longer than filaments, dehiscent by longitudinal slits, connective apically with a 0.7--2 mm appendage. Carpels 1--3 mm. Stigma white, ventral to distal. Fruit brown, 5--11 × 3--6 mm. Seeds black, ovoid, 1.5--2.5 mm. Fl. Apr--May, fr. Jul--Aug. 2n = 28.

Forests in valleys; 900--3600 m. S Anhui, S Gansu, Guizhou, SW Hebei, W Henan, Hubei, Hunan, E Jiangxi, S Shaanxi, S Shanxi, Sichuan, SE Xizang, N and E Yunnan, NW Zhejiang [Bhutan, NE India].