Which genus has more known species, Ageratum or Lavandula?
Ageratum Ageratum ( ), (whiteweed in the USA), is a genus of 40 to 60 tropical and warm temperate flowering annuals and perennials from the family Asteraceae, tribe Eupatorieae. Most species are native to Central America and Mexico but four are native to the United States.
Labordia Labordia is a genus of plant in family Loganiaceae. There are 16 species all endemic to Hawaii. It is closely related to "Geniostoma"