Petrocosmea wui M.Q.Han, J.Cai & J.D.Ya
Petrocosmea Oliv. Perennial herb with short rhizomatous stem and crowded fibrous roots; rhizomes sparsely covered with brown villi. Leavers 5–16 per plant, all basal; petioles 2–13 cm long, ca 5 mm in diameter, green or sometimes slightly purple, densely covered with transparent...