A family of two genera and about 1400 species, pantropic.
Begonia - A genus of about 2,000 species of tropical and subtropical regions of both hemispheres.A single species has become naturalised in Australia.
Doorenbos, J. et al. (1998). The sections of Begonia. Agric. Univ. Wageningen Pap. 98(2): 239.
Smith, L. B. & B. G. Schubert (1941). Begoniaceae. In: J. F. Macbride (ed.), Flora of Peru. 13(4/1): 181-202