subclass magnoliidae

Noun

• a group of families of trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and generally regarded as the most primitive extant flowering plants; contains 36 families including Magnoliaceae and Ranunculaceae; sometimes classified as a superorder

Related words

• Synonyms: 
  Magnoliidae , subclass Magnoliidae , ranalian complex