Petrocosmea yanshanensis Z.J. Qiu & Y.Z. Wang
Petrocosmea Oliv. Perennial acaulescent herb, with short rhizome andcrowded fibrous roots. Rosette leaves 8 to 20, the innerleaves have short petioles or petioles absent, the outerleaves have longer petioles; leaf blade obovate or ob￾long, 0.5–2 × 0.5–1.5 cm, herbaceous, apex round, basetruncate,...