Petrocosmea grandifolia W.T. Wang
Petrocosmea Oliv. Petiole 5–15 cm, densely brownish pubescent; leafblade oblique, ovate to broadly ovate, 8–17.5 × 5.2–13.5 cm, adaxially pubescent, abaxially puberulent,base very oblique, broadly cuneate on 1 side, nearlycordate to on other, denticulate, apex acute; lateral veins abaxially conspicuous....