. Habitat and morphology of Begonia dioica (Photos by Daike Tian) A, B habitat (rock-moss surface and tree trunk, arrows indicate begonia plants) C individuals with long red stolons (arrows indicate stolons) D plants of different size and stolons with small whitish aerial bulbs (arrows indicate tiny bulbs) E leaves showing glabrous adaxial (upper) and abaxial (low) surfaces F female flowers with three tepals (upper: adaxial view, low: abaxial view) G cross-section of ovary with bilamellate axile placenta and three locules H tubers under moss.