Petrocodon anoectochilus F.Wen & B.Pan
Petrocodon Hance Perennial herb forming acaulescent rosettes. Rhizome subterete, 1–2 cm, 0.5–1 cm diam. Leaves 5 to 10, basal or clustered at apex of the rhizome, opposite; petiole terete, 1.2–2.5 cm, 0.2–0.3 cm diam., adaxially canaliculate, pubescent; leaf blade thickly chartaceous, coriaceous...