Leaf:
Triangular-ovate, leathery, alternate. Apex caudate, length of cauda around 1/4 to 1/2 of the leaf blade. Base broadly truncate to shallowly cordate. Margin entire or undulate. Lateral veins 5 to 8 pairs. Young leaves reddish brown, membranous, surface glossy. Petiole slender, as long as or longer than leaf blade.