Does Ixora or Mesquite have more species?
Mesquite Mesquite is the common name for the genus "Prosopis", containing over 40 species of small leguminous trees. They are native to the southwestern United States and Mexico (even the creeping mesquite, which is invasive in southern California).
Malephora Malephora is a genus of succulent plants in the ice plant family. There are 13 to 17 species in the genus, many of which are known commonly as mesembs. They are native to Africa.