Petrocodon tongziensis R.B.Zhang & F.Wen
Petrocodon Hance Perennial acaulescent herb. Leaves 6–16 crowded in a basal rosette; leaf blade chartaceous, elliptic to oval-elliptic, 2.5–4.5 × 1.0–2.5 cm; leaf base rather broadly cuneate, slightly asymmetric and deflective; lateral veins 2–4-paired, abaxially distinct, especially the main midrib; leaf margin...