how is Brassia and Comesperma connected?
Brassia Brassia is a genus of orchids classified in the Oncidiinae subtribe. It is native to Mexico, Central America, the West Indies, and northern South America, with one species ("B. caudata") extending into Florida.
Acradenia Acradenia is a genus of trees comprising two species from Australia. Its closest relative is "Crossosperma" from New Caledonia.