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.
Hemizonia Hemizonia is a genus of plants in the daisy family (Asteraceae). They are known generally as tarweeds, although some tarweeds belong to other genera, such as "Madia" and "Deinandra". Furthermore, "Hemizonia" is currently being revised; some species may be segregated into new genera.