The leaves are papery, ovoid to obovate or nearly round, usually large, 5- 18cm long and 2.8-9cm wide, with a tapered or blunt apex, a wedge-shaped, blunt, round or nearly truncated base, and few hearts. The new leaves are sparsely pilose, the old leaves are shiny above, dark green and hairless, and the lower part is green, pilose or hairless, with a medium shape.