subclass dilleniidae

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a group of families of more or less advanced trees and shrubs and herbs having either polypetalous or gamopetalous corollas and often with ovules attached to the walls of the ovary; contains 69 families including Ericaceae and Cruciferae and Malvaceae; sometimes classified as a superorder