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.
Rhipidocladum Rhipidocladum is a genus of New World woody bamboo in the grass family). It found in Mesoamerica, Trinidad, and South America. The genus is characterized by 1) erect, non-pseudopetiolate culm leaves, 2) numerous branchlets arising in an apsidate (fan-like) array, and 3) fruits being true caryopses. The name is derived from the Greek "rhipid" meaning "fanlike" and "clad" meaning "branch".