While  Gymnocladus is a small genus of leguminous trees, what genus is Chrysogonum?
Chrysogonum Chrysogonum is a genus of flowering plants in the daisy family. The plants are terrestrial herbs with yellow flower heads containing both disc florets and ray florets.
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.