Bobgunnia

Bobgunnia is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae. It includes two species native to sub-Saharan Africa. The genus is named for Charles R. Gunn who was the director of the U.S. National Seed Herbarium for many years before his retirement.

Both of these are sometimes sold as Pau Rosa.
 * Bobgunnia fistuloides (Harms) J.H.Kirkbr. & Wiersema – western and central Africa, from Guinea to the Central African Republic and Democratic Republic of the Congo
 * Bobgunnia madagascariensis (Desv.) J.H.Kirkbr. & Wiersema – western, central, and southern Africa, from Guinea to Chad, Tanzania, northern South Africa, and Namibia.