木蘭群; 木蘭亞綱
Magnoliidae n : a group of families or 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: {subclass Magnoliidae}, {ranalian complex}]