Petrocosmea weiyigangii F.Wen
Petrocosmea Oliv. Perennial, stemless, rosulate herb. Rhizome extremely short, inconspicuous. Leaves inconspicuously spiral, 21 to 30 per plant, petioles subterete, 20–45 mm long, 0.8–1 mm in diam., brown, densely puberulent; leaf blades herbaceous when dried, ovate to rounded, slightly asymmetric to symmetric,...