Are Hellebore and Aethionema from the same flowering plant families?
Hellebore Commonly known as hellebores , the Eurasian genus Helleborus consists of approximately 20 species of herbaceous or evergreen perennial flowering plants in the family Ranunculaceae, within which it gave its name to the tribe of Helleboreae. The scientific name "Helleborus" derives from the Greek name for "H. orientalis", ἑλλέβορος "helléboros", from "elein" "to injure" and βορά "borá" "food". Many species are poisonous. Despite names such as "winter rose", "Christmas rose" and "Lenten rose", hellebores are not closely related to the rose family (Rosaceae).
Octoknemaceae Octoknemaceae is a monotypic family of flowering plants endemic to continental Africa. The APG III system of 2009 and the APG II system of 2003 (unchanged from the APG system of 1998), do not recognize this family. The family is recognized by the Angiosperm Phylogeny Website, based on work since the publication of the APG III system.