Begonia loranthoides Hook. f. (Sect. Tetraphila A.DC.)

Analysis of B. loranthoides Hook. f. and B. rhopalocarpa Warb., African species formerly admitted to sect. Squamihegonia Warb., leads to the conclusion that these taxa must be placed in Begonia sect. Tetraphila A. DC. Both taxa are treated here as subspecies of B. loranthoides: B. loranthoides Hook. f. subsp. loranthoides and B. loranthoides Hook. f. subsp. rhopalocarpa (Warb.) J. J. de Wilde respectively. They are circumscribed and their synonymy, distribution, ecology and karyology is given. Begonia sect. Tetraphila A. DC. is circumscribed provisionally.