Pycnocoma is a genus of plant of the family Euphorbiaceae first described as a genus in 1849. It is native to tropical Africa and Madagascar. • # Pycnocoma angustifolia - Sierra Leone, Liberia, Ivory Cost • # Pycnocoma bampsiana - Zaïre • # Pycnocoma chevalieri - Zaïre, Congo, Gabon, Central African Rep, Uganda, South Sudan • # Pycnocoma cornuta - Congo, Gabon, Central African Rep, Ghana, Nigeria • # Pycnocoma dentata - Angola • # Pycnocoma devredii - Kasai • # Pycnocoma elua - Zaïre • # Pycnocoma insularum - Zaïre • # Pycnocoma littoralis - Kenya, Tanzania • # Pycnocoma louisii - Zaïre • # Pycnocoma macrantha - Lushoto • # Pycnocoma macrophylla (Bomah-nut) - W + C Africa • # Pycnocoma minor - Congo, Gabon, Central African Rep, Equatorial Guinea • # Pycnocoma reticulata - Madagascar • # Pycnocoma reygaertii - Zaïre • # Pycnocoma subflava - Zaïre • # Pycnocoma thollonii - Gabon • # Pycnocoma thonneri - Congo, Zaïre moved to other genera: Argomuellera Droceloncia • # P. danguyana - Argomuellera danguyana • # P. decaryana - Argomuellera decaryana • # P. gigantea - Argomuellera gigantea • # P. gigantea var. calcicola - Argomuellera calcicola • # P. hirsuta - Argomuellera macrophylla • # P. hutchinsonii - Argomuellera macrophylla • # P. laurentii - Argomuellera macrophylla • # P. parviflora - Argomuellera macrophylla • # P. perrieri - Argomuellera perrieri • # P. rigidifolia - Droceloncia rigidifolia • # P. sapinii - Argomuellera macrophylla • # P. sassandrae - Argomuellera macrophylla • # P. trewioides - Argomuellera trewioides