Original Article

This study provides a checklist of the Caesalpinioideae (Leguminosae) present in Equatorial Guinea, comprising 52 genera and 124 taxa. Seven species are known from Annobón, 33 from Bioko and 109 from Río Muni. The best rep-resented genus is Senna with eight species. In addition, bibliographic references for Caesalpinioideae (Leguminosae) from Equatorial Guinea have been gathered and checked. Fourteen species are included based on literature records, because their distribution ranges suggest they may occur in Equatorial Guinea, 11 introduced species could be nat-uralized, and 45 taxa are recorded for the first time from the country. This represents an increase of over 35 % in the floristic knowledge of Caesalpinioideae from Equatorial Guinea. A statistical summary is presented at the end of th