Entandrophragma angolense, called the tiama, is a tree species with alternate, pinnately compound leaves that are clustered at the ends of branches.

It is within the family Meliaceae and has a wide distribution area, occurring in moist semi-deciduous and evergreen forest regions of Tropical Africa from Sierra Leone to Uganda.

[6] The grey-brown bark tends to be thin and smooth with irregular flaking in small and large pieces leaving concave or mussel-shell shaped scars, slash is pink to reddish.

[6][7] The species distribution is wide spread in tropical Africa, its native range is within the evergreen and semi-deciduous forest zones of West, Central and East Africa.

[8] Chemical compounds including the limonoids: 7α- acetoxydihydronomilin, 7α- obacunylacetate and Methyl angolensate have been isolated from methanol extracts of the stem bark of the species.