Orthopichonia is a genus of plants in the family Apocynaceae, first described as a genus in 1953. It was initially given the name Orthandra, but this turned out to be an illegitimate homonym (in other words, the same name had already been used for a different plant). Orthopichonia is native to Africa.Kew World Checklist of Selected Plant FamiliesSosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon. Scripta Botanica Belgica 35: 1-438.Figueiredo, E. & Smith, G.F. (2008). Plants of Angola. Strelitzia 22: 1-279. National Botanical Institute, Pretoria.Harris, D.J. (2002). The vascular plants of the Dzanga-Sangha Reserve, Central African Republic: 1-274. National Botanic Garden (Belgium), Meise.Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
Species Orthopichonia barteri (Stapf) H.Huber – Ivory Coast, Nigeria, Cameroon, Gabon, Central African Republic, Republic of Congo, Zaire Orthopichonia cirrhosa (Radlk.) H.Huber – Nigeria, Cameroon, Gabon, Central African Republic, Republic of Congo, Zaire, Angolan Province of Cabinda Orthopichonia indeniensis (A.Chev.) H.Huber – Ivory Coast, Nigeria, Liberia, Cameroon Orthopichonia schweinfurthii (Stapf) H.Huber – Cameroon, Central African Republic, Republic of Congo, Zaire, South Sudan Orthopichonia seretii (De Wild.) Vonk – Cameroon, Gabon, Central African Republic, Zaire Orthopichonia visciflua (K.Schum. ex Hallier f.) Vonk – Cameroon, Gabon
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