Which genus has more species: Heracleum or Dirca?
Heracleum (plant): Heracleum is a genus of about 60 species (depending on taxonomic interpretation) of biennial and perennial herbs in the carrot family Apiaceae. Dirca: Dirca is a genus of three or four species of flowering plants in the family Thymelaeaceae, native to North America.
Heracleum