Gaertnera is a genus of flowering plants in the family Rubiaceae. There are at least 85 species distributed across the Old World tropics from Africa to Asia. Plants in this genus are variable in appearance and biology. Most all are regional endemics, plants limited to a small geographical area and narrowly adapted to local conditions. Most grow in moist forest habitat. Species include: \n* Gaertnera hirtiflora Verdc. \n* Gaertnera longifolia Bojer \n* Gaertnera rosea Thwaites ex Benth. \n* Gaertnera ternifolia Thwaites \n* Gaertnera truncata A.DC \n* Gaertnera walkeri Wight