Which genus has more species, Astilbe or Pittosporum ?
Astilbe Astilbe is a genus of 18 species of rhizomatous flowering plants within the family Saxifragaceae, native to mountain ravines and woodlands in Asia and North America. Some species are known by the common names false goat's beard and false spirea.
Pouzolzia Pouzolzia is a genus of flowering plants in the nettle family. There are about 35 species distributed throughout the tropical world. Most are shrubs, and some are herbs. The genus was named for French botanist and plant collector Pierre Marie Casmir de Pouzolz (1785–1858).