Flora da Bahia: Onagraceae

The flora of Onagraceae is presented for the Bahia State, Brazil. Twenty native species are recognized in two genera. Fuchsia , represented only by F. regia , is reported for the first time in the State. The genus Ludwigia presented 19 species, seven of which are new occurrences for Bahia: L. affinis , L. brachyphylla , L. elegans , L. decurrens , L. quadrangularis , L. sericea and L. torulosa . Identification keys, descriptions and comments for taxa as well as photos and distribution maps for species in the state are presented.