While  Gymnocladus is a small genus of leguminous trees, what genus is Chrysogonum?
Gymnocladus Gymnocladus (Neo-Latin, from Greek γυμνὀς, "gymnos", naked + κλάδος, "klados", branch) is a small genus of leguminous trees. The common name coffeetree is used for this genus.
Hemipogon (plant) Hemipogon is a genus of flowering plants formerly belonging to the plant family Asclepiadaceae, now considered to be part of Apocynaceae, first described as a genus in 1844. It is native to South America.