What is "adenostyles"

Adenostyles is a genus of flowering plants in the sunflower family Asteraceae, and of the tribe Senecioneae. It was described as a genus in 1816. Adenostyles occur in the temperate climates of the northern hemisphere, mainly in Europe and Asia Minor.

Adenostyles includes species that were considered to belong to the genus Cacalia. The term was used in 1883 for a genus of Orchidaceae.