Nomenclature issues into southern of South American species of Begonia (Begoniaceae)

Abstract

This paper clarifies the typification of nine species of Begonia from South America. Lectotypes were designated for the names Begonia balansae, B. argentinensis [= B. boliviensis], B. boliviensis var. latipetala, B. subcucullata and B. cucullata var. arenosicola [= B. cucullata], B. fiebrigii, B. micranthera, B. hieronymi [=B. micranthera var. hieronymi] and B. subvillosa. Finally, we propose B. subcucullata and B. cucullata var. arenosicola as a new synonyms under B. cucullata.