magnoliidae: 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
mountain four o'clock: leafy wildflower with lavender-pink flowers that open in the evening and remain through cool part of the next day; found in open woods or brush in mountains of southern Colorado to Arizona and into Mexico