subclass Magnoliidae
n 1: 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 [syn:
{Magnoliidae}, {subclass Magnoliidae}, {ranalian complex}]