''Gaertnera'' is a genus of
flowering plants in the family
Rubiaceae. There are at least 85 species distributed across the
Old World
The "Old World" is a term for Afro-Eurasia that originated in Europe , after Europeans became aware of the existence of the Americas. It is used to contrast the continents of Africa, Europe, and Asia, which were previously thought of by the ...
tropics from Africa to Asia.
[''Gaertnera''.]
Selected Rubiaceae Tribes and Genera. Tropicos.
Plants in this genus are variable in appearance and biology. Most all are regional
endemics
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
, plants limited to a small geographical area and narrowly adapted to local conditions.
[Malcomber, S. T., & Taylor, C. M. (2009)]
A systematic revision of ''Gaertnera'' (Rubiaceae, Gaertnereae) 1.
''Annals of the Missouri Botanical Garden'', 96(4), 575-671. Most grow in moist forest habitat.
[
These are generally woody plants with clusters of white, pink, or red flowers and purple-black fruits. Some species are distylous, with plants having one of two flower morphs. Other species are ]dioecious
Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproductio ...
, with plants having either male or female flowers. Dioecious species are generally found in Southeast Asia.[
Species include:
* '']Gaertnera hirtiflora
''Gaertnera hirtiflora'' is a species of plant in the family Rubiaceae. It is endemic to Mauritius. Its natural habitat is subtropical or tropical dry forest
A forest is an area of land dominated by trees. Hundreds of definitions of fores ...
'' Verdc.
* '' Gaertnera longifolia'' Bojer
* ''Gaertnera rosea
''Gaertnera rosea'' is a species of plant in the family Rubiaceae. It is endemic to Sri Lanka
Sri Lanka (, ; si, ශ්රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ( ...
'' Thwaites ex Benth.
* ''Gaertnera ternifolia
''Gaertnera ternifolia'' is a species of flowering plant in the family Rubiaceae. It is endemic to Sri Lanka
Sri Lanka (, ; si, ශ්රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, tran ...
'' Thwaites
* ''Gaertnera truncata
''Gaertnera truncata'' is a species of plant in the family Rubiaceae. It is endemic to Mauritius. Its natural habitat is subtropical or tropical dry forest
A forest is an area of land dominated by trees. Hundreds of definitions of forest ...
'' A.DC
* ''Gaertnera walkeri
''Gaertnera walkeri'' is a species of plant in the family Rubiaceae. It is endemic to Sri Lanka
Sri Lanka (, ; si, ශ්රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ...
'' Wight
* ''Gaertnera vaginata
''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. '' Poiret
Rubiaceae genera
Taxonomy articles created by Polbot
{{Rubioideae-stub