Are Hellebore and Aethionema from the same flowering plant families?
Aethionema Aethionema syn. "Eunomia" is a genus of flowering plants, within the family Brassicaceae, subfamily Brassicoideae. The genus is collectively known as the stonecresses. They originate from sunny limestone mountainsides in Europe and West Asia, especially Turkey.
Madieae Madieae is a tribe of flowering plants in the sunflower family, Asteraceae. It is sometimes considered a subtribe of Heliantheae. Notable species include the tarweeds of the Western United States as well as the silverswords of Hawaii.