Question: Cestrum and Ericaceae, are types of what?
Sentence (from "Ericaceae"): The many well-known and economically important members of the Ericaceae include the cranberry, blueberry, huckleberry, rhododendron (including azaleas), and various common heaths and heathers ("Erica", "Cassiope", "Daboecia", and "Calluna" for example).
Relevant evidence: No