Intertaxon relationships
species
Pirate
Catacroptera cloanthe (Stoll, 1781)
Asystasia gangetica (L.) T.Anderson - Chinese Violet 
Barleria opaca (Vahl) Nees - Kwahu
Barleria stuhlmannii Lindau
Chaetacanthus setiger (Pers.) Nees
Justicia protracta (Nees) T. Anderson
Ruellia cordata Thunb.
Ruellia togoensis (Lindau) Heine