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.
Pachystylidium Pachystylidium is a genus of plant of the family Euphorbiaceae. It contains only one known species, Pachystylidium hirsutum, found in eastern India, Indochina, the Philippines, Sulawesi, the Lesser Sunda Islands, and Java.