The term 'West African Tree' refers to four different species of trees that are native to West Africa. Kola (4 letters) is a genus of trees that produce the kola nut, which is used in traditional medicine and as a flavoring for beverages. Akee (4 letters) is a species of tree that produces a fruit that is popular in West African cuisine. Yohimbe (7 letters) is a species of tree whose bark is used to make an herbal supplement that is believed to have aphrodisiac properties. Iroko (5 letters) is a species of hardwood tree that is used in construction and furniture making.