Petrocosmea rotundifolia M.Q. Han, H. Jiang & Yan Liu
Petrocosmea Oliv. Perennial herb with short rhizomatous stem and crowded fibrous roots. Leaves 20–50 per plant, all basal; petioles 1–3 cm long, 3–5 mm in diam., green, densely pilose; leaf blades orbicular to widely elliptic, 1–3 × 1–3 cm, herbaceous, rounded at...