CibirhizaCibirhiza is a genus of plants in the family Apocynaceae, first described as a genus in 1988. It is native to central and eastern Africa and to the Arabian Peninsula.Species Cibirhiza albersiana Kunz, Meve & Liede - Tanzania, Zambia Cibirhiza dhofarensis P.Bruyns - Oman Cibirhiza spiculata Thulin & Goyder - E Ethiopia