Begonia oxyphylla A.DC.

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.

Brazil

Source: Wright, P.; Goodwin, J.; Spencer, R. (1997). Begoniaceae. In: Spencer, R.. 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.