Which genus of plants is within the Asteraceae family, Tithonia or Hymenocallis?
Hymenocallis Hymenocallis (US) or (UK) is a genus of American plants in the amaryllis family.
Hymenocallis imperialis Hymenocallis imperialis, common name Big Fatty, is a plant species native to the Mexican states of San Luis Potosí and Hidalgo. It is also cultivated in other regions as an ornamental.