What is "nauclea diderrichii"

opepe \opepe\ n. A large African forest tree ( Nauclea diderrichii) yielding a strong hard yellow to golden brown lumber; sometimes placed in genus Sarcocephalus, and then called Sarcocephalus diderrichii.

Syn: Nauclea diderrichii, Sarcocephalus diderrichii.

Nauclea diderrichii is a species of plant in the Rubiaceae family. It is found in Angola, Cameroon, Central African Republic, the Republic of the Congo, the Democratic Republic of the Congo, Ivory Coast, Gabon, Ghana, Liberia, Mozambique, Nigeria, Sierra Leone, and Uganda. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.

The wood of this tree is known as Bilinga, or sometimes Aloma in Germany and Opepe in England. It is dense and resistant to fungi and insects, and is used in marine construction.