Which genus has more species, Cardiospermum or Chestnut?
Cardiospermum: Cardiospermum is a genus of approximately 14 species in the soapberry family, Sapindaceae, which are native to the American, Indian, and African tropics. Chestnut: The chestnut group is a genus (Castanea) of eight or nine species of deciduous trees and shrubs in the beech family Fagaceae, native to temperate regions of the Northern Hemisphere.
Cardiospermum