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.
Parastilbe Parastilbe is a genus of parasitic sea snails, marine gastropod mollusks in the family Eulimidae.