Petrocodon asterostriatus F. Wen, Y.G. Wei & W.C. Chou
Petrocodon Hance Perennial herb, rhizomes subterete, 6–13 cm long, 4.5–8.5 mm in diam. Leaves 6–15, basal, opposite, petiole 6–13 × ca. 0.5 cm, densely white pubescent; leaf blade yellowish-green to green, papyraceous, often almost symmetrical, broadly ovate to subcordate, 8–12 × 6–10...