01 n. a group of families of more or less advanced trees and shrubs and herbs having either polypetalous or gamopetalous corollas and often with …
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1.
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; it contains 69 families including Ericaceae and Cruciferae and Malvaceae; it is sometimes classified as a superorder.
Syn.
subclass Dilleniidae.