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.
Orthilia Orthilia secunda is a flowering plant of the genus Orthilia in the family Ericaceae. It is the only member of the genus. Its common names are sidebells wintergreen, one-sided-wintergreen and serrated-wintergreen, and it was previously part of genus "Pyrola", the wintergreens.