Which genus of plants is within the Asteraceae family, Tithonia or Hymenocallis?
Tithonia Tithonia is a genus of flowering plants in the sunflower tribe within the Asteraceae family.
Hymenocardia Hymenocardia is a genus of trees in the family Phyllanthaceae first described as a genus in 1836. Most of the species are native to Africa, with one in Southeast Asia.