倒卵叶紫麻(原变种) dao luan ye zi ma (yuan bian zhong)

Debregeasia obovata C. H. Wright, J. Linn. Soc., Bot. 26: 492. 1899; Oreocnide obovata var. mucronata C. J. Chen; O. tonkinensis (Gagnepain) Merrill & Chun var. discolor Gagnepain; Villebrunea petelotii Gagnepain.

Leaf blade obovate to oblanceolate, proximal pair of secondary veins arising from proximal 1/3 of midvein, apex cuspidate, caudate, or rarely mucronate.

Mixed forests, thickets, near streams, often on limestone; 200-1400 m. W Guangdong, SW Guangxi, S Hunan, SE Yunnan [N Vietnam].