Definitions
There is 1 meaning of the phrase
Subclass Dilleniidae.
Subclass Dilleniidae - as a 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
Synonyms (Exact Relations)
dilleniidae