''Gaertnera'' is a genus of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...
s in the family
Rubiaceae
The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules ...
. 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 th ...
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 reproducti ...
, with plants having either male or female flowers. Dioecious species are generally found in Southeast Asia
Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
.[
Species include:
* '' Gaertnera hirtiflora'' Verdc.
* '' Gaertnera longifolia'' Bojer
* '' Gaertnera rosea'' Thwaites ex Benth.
* '' Gaertnera ternifolia'' Thwaites
* '' Gaertnera truncata'' A.DC
* '' Gaertnera walkeri'' ]Wight
A wight ( Old English: ''wiht'') is a mythical sentient being, often undead.
In its original use the word ''wight'' described a living human being, but has come to be used in fictional works in the fantasy genre to describe certain immortal bei ...
* '' Gaertnera vaginata'' Poiret
Rubiaceae genera
Taxonomy articles created by Polbot
{{Rubioideae-stub