Calycadenia is a genus of flowering plants in the family Asteraceae,[1][2] known commonly as the western rosinweeds.

[4] The ranges of two species (C. fremontii + C. truncata) do extend north into Oregon.

Flower heads are solitary or borne in open arrays or clusters in the leaf axils.

The head usually has one or more phyllaries stuck to the ray florets; these often have similar tack-shaped glands.

They are white, cream, pink, or yellow, and some have a dark red spot near the base.