Petrocosmea nervosa Craib
Petrocosmea Oliv. Petiole 0.3–7 cm, pilose; leaf blade broadly or broadly obovate to nearly orbicular,1–5 × 1.2–5.2 cm, adaxially pilose, hairs both short andlong, abaxially pilose, base broadly cuneate to nearlytruncate or cordate, margin entire to obtuse to rounded; lateral...