TWO NEW SPECIES OF BEGONIA FROM SUMATRA

Two new species of Begonia sect. Bracteibegonia, B. curvifolia Ardi and B. ocellata Ardi, are described from West Sumatra, Indonesia. The species are endemic to Sumatra and belong to the IUCN category Data Deficient. A modified identification key to all 11 species of Begonia sect. Bracteibegonia in Sumatra is provided.