HexaphyllaHexaphylla is a genus of flowering plants in the family Rubiaceae. It includes 12 species native to the western and central Mediterranean region, Balkans, Crimea, and the Caucasus.Hexaphylla allionii Hexaphylla arcadiensis Hexaphylla capitata Hexaphylla cretacea Hexaphylla cyrenaica Hexaphylla doerfleri Hexaphylla hercegovina Hexaphylla hirsuta Hexaphylla hirta Hexaphylla pubescens Hexaphylla rupestris ''Hexaphylla taygetea''