Caesalpinia cassioides Willd. A median leaflet B, C median leaflets (to show variation) D inflorescence E, F stem armature G flower H calyx opened out I calyx margin J median petal K upper lateral petal, L stamen M gynoecium N stigma O leaf and immature fruits P single immature fruit. A, D, E, Q from Mayolo 325 B, C, R from Silverstone-Sopkin 2004 F from Sandeman 4613 G–P from Silverstone-Sopkin 5139. Drawn by Sue Wickison.