Petrocodon longgangensis W.H. Wu & W.B. Xu
Petrocodon Hance Herbs, perennial. Rhizome subterete, 1.5–3.5 cm 4–8 mm.Leaves 5–16, basal; petiole 2.5–5 cm, terete, brown hispid; leaf blade chartaceous, ovate orbroadly ovate to elliptic, 7–15 4–8.5 cm, the apex obtuseor acute, the margin serrate, the base cuneate, round to...