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Schizocalyx is a genus of flowering plants in family Rubiaceae. It includes 9 species native to the tropical Americas, ranging from Costa Rica to Bolivia and southeastern Brazil. Schizocalyx bracteosa Wedd. Schizocalyx condoricus D.A.Neill & C.M.Taylor Schizocalyx cuspidatus (A.St.-Hil.) Kainul. & B.Bremer Schizocalyx multiflorus (Hook.f.) Kainul. & B.Bremer Schizocalyx obovatus (K.Schum. ex Standl.) Kainul. & B.Bremer Schizocalyx peruvianus (K.Krause) Kainul. & B.Bremer Schizocalyx sterculioides (Standl.) Kainul. & B.Bremer Schizocalyx truncatus C.M.Taylor Schizocalyx veraguensis (Dwyer) Kainul. & B.Bremer