Petrocodon wenshanensis Xin Hong, W.H. Qin & F. Wen
Petrocodon Hance Perennial herbs. Rhizomatous stem subterete, 30–75 mm long, 6–10 mm in diameter. Leaves basal, opposite and congested at rhizome apex; petiole 1.5–4.5 cm long, densely pubescent. Leaf blade chartaceous, ovate, 3–6 × 2–4 cm, apex acute, base broadly cuneiform or shallowly cordate,...