CalycosiaCalycosia is a genus of flowering plants in the family Rubiaceae. It was described by Asa Gray in 1860. The genus is found in New Guinea, the Solomon Islands, Fiji, Samoa, and the Society Islands.SpeciesCalycosia callithrix A.C.Sm. - Viti LevuCalycosia kajewskii Merr. & L.M.Perry - SolomonsCalycosia lageniformis A.C.Sm. - Viti LevuCalycosia macrocyatha Fosberg - FijiCalycosia mamosei W.N.Takeuchi - Papua New GuineaCalycosia petiolata A.Gray - Fiji Calycosia sessilis A.Gray - SamoaCalycosia trichocalyx Drake - Tahiti