Do both Tithonia and Pachysandra belong to the taxonomic category of genus?
Tithonia Tithonia is a genus of flowering plants in the sunflower tribe within the Asteraceae family.
Heliconia Heliconia, derived from the Greek word "helikonios", is a genus of flowering plants in the family Heliconiaceae. Most of the ca 194 known species are native to the tropical Americas, but a few are indigenous to certain islands of the western Pacific and Maluku. Many species of "Heliconia" are found in rainforests or tropical wet forests of these regions. Several species are widely cultivated as ornamentals, and a few are naturalized in Florida, Gambia and Thailand. Common names for the genus include lobster-claws, toucan peak, wild plantains or false bird-of-paradise. The last term refers to their close similarity to the bird-of-paradise flowers ("Strelitzia"). Collectively, these plants are also simply referred to as "heliconias".