Contains 69 families including Ericaceae and Cruciferae and Malvaceae

• Sometimes classified as a superorder
• 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

Wikipedia Word definitions in Wikipedia
Dillenidae is a botanical name at the rank of subclass . Circumscription of the subclass will vary with the taxonomic system being used; the only requirement being that it includes the family Dilleniaceae . A well-known system that uses this name is the ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Dilleniidae \Dilleniidae\ n. 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 ...