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.
Gymnema Gymnema (Neo-Latin, from Greek γυμνὀς "gymnos", "naked" and νῆμα, "nēma", "thread") is a genus in the family Apocynaceae first described as a genus in 1810.