Uvariodendron fuscum var. giganteum is a variety of flowering plant in the family Annonaceae. It is a tree native to southern Nigeria, Cameroon, Gabon, and the Democratic Republic of the Congo. It is a forest tree which grows up to 30 ft. tall. Flowers yellow and purple within. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
References
http://annonaceae.myspecies.info/taxonomy/term/417/media