Accepted name: Begonia arborescens var. oxyphylla
Roots fibrous. Stems erect to 1 m tall, fleshy, brown with reddish hairs. Leaves long, narrow to 13 cm long, upper surface mid-green, glossy, hairless, with light green, faintly red flushed reverse; margins round-toothed to pointed. Flowers white.
Source: (1997). Begoniaceae. In: . Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.