The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), with many extending to the Sudano-Zambesian and Guineo-Congolian regions.
The genus is
monophyletic
In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic ...
and is used to study the variation and evolution of
herkogamy
Herkogamy (or hercogamy) is the spatial separation of the anthers and stigma in hermaphroditic angiosperms. It is a common strategy for reducing self-fertilization.
Common forms
*Approach herkogamy - (called "pin flowers") is displayed when the ...
.
Species
* ''
Exochaenium alatum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Paiva and Nogueira) Kissling
* ''
Exochaenium baumianum''
(Gilg) Schinz
* ''
Exochaenium caudatum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Paiva and Nogueira) Kissling
* ''
Exochaenium clavatum''
(Paiva and Nogueira) Kissling
* ''
Exochaenium debile
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
Welw.
* ''
Exochaenium dimidiatum''
(Sileshi) Kissling
* ''
Exochaenium exiguum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
A.W.Hill
* ''
Exochaenium fernandesianum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Paiva and Nogueira) Kissling
* ''
Exochaenium gracile
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Welw.) Schinz
* ''
Exochaenium grande
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(E.Mey.) Griseb.
* ''
Exochaenium hockii
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(De Wild.) Kissling
* ''
Exochaenium lineariforme
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Sileshi) Kissling
* ''
Exochaenium macropterum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Sileshi) Kissling
* ''
Exochaenium oliganthum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Gilg) Kissling
* ''
Exochaenium perparvum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Sileshi) Kissling
* ''
Exochaenium platypterum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Baker) Schinz
* ''
Exochaenium primulaeflorum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
Welw.
* ''
Exochaenium pumilum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Baker) Hill
* ''
Exochaenium pygmaeum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
Milne-Redhead
* ''
Exochaenium rotundifolium
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Peter) Kissling
* ''
Exochaenium teucszii
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Schinz) Schinz
* ''
Exochaenium wildemanianum
The genus ''Exochaenium'' (22 species) is endemic to sub-Saharan Africa, with species occurring in most tropical and sub-tropical regions of the continent, particularly on the Katanga plateau (Angola, Democratic Republic of Congo and Zambia), wit ...
''
(Boutique) Kissling
References
{{Taxonbar, from=Q18171581
Gentianaceae genera
Gentianaceae