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.
Nesogordonia Nesogordonia is a flowering plant genus. Traditionally included in the family Sterculiaceae, it is included in the expanded Malvaceae in the APG and most subsequent systematics. In that clade, it belongs to the subfamily Dombeyoideae. "Nesogordonia" is among the oldest living genera of its subfamily, if not "the" most ancestral one.