Exochaenium

The genus Exochaenium (23 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 and is used to study the variation and evolution of herkogamy.

Species

 * Exochaenium alatum (Paiva and Nogueira) Kissling
 * Exochaenium baumianum (Gilg) Schinz
 * Exochaenium caudatum (Paiva and Nogueira) Kissling
 * Exochaenium clavatum (Paiva and Nogueira) Kissling
 * Exochaenium debile Welw.
 * Exochaenium dimidiatum (Sileshi) Kissling
 * Exochaenium exiguum A.W.Hill
 * Exochaenium fernandesianum (Paiva and Nogueira) Kissling
 * Exochaenium gracile (Welw.) Schinz
 * Exochaenium grande (E.Mey.) Griseb.
 * Exochaenium hockii (De Wild.) Kissling
 * Exochaenium lineariforme (Sileshi) Kissling
 * Exochaenium macropterum (Sileshi) Kissling
 * Exochaenium natalense (Schinz) Kissling and K.W.Grieve
 * Exochaenium oliganthum (Gilg) Kissling
 * Exochaenium perparvum (Sileshi) Kissling
 * Exochaenium platypterum (Baker) Schinz
 * Exochaenium primulaeflorum Welw.
 * Exochaenium pumilum (Baker) Hill
 * Exochaenium pygmaeum Milne-Redhead
 * Exochaenium rotundifolium (Peter) Kissling
 * Exochaenium teucszii (Schinz) Schinz
 * Exochaenium wildemanianum (Boutique) Kissling