Do Malva and Prosopis have the same number of species?
Malva: Malva is a genus of about 25–30 species of herbaceous annual, biennial, and perennial plants in the family Malvaceae (of which it is the type genus), one of several closely related genera in the family to bear the common English name mallow. Prosopis: Prosopis is a genus of flowering plants in the pea family, Fabaceae. Prosopis:  It contains around 45 species of spiny trees and shrubs found in subtropical and tropical regions of the Americas, Africa, Western Asia, and South Asia.
no