| Noun | 1. | genus Emilia - tropical African herbs asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia Cacalia javanica, Cacalia lutea, Emilia coccinea, Emilia flammea, Emilia javanica, tassel flower - tropical African annual having scarlet tassel-shaped flower heads; sometimes placed in genus Cacalia Emilia sagitta, tassel flower - tropical Asiatic annual cultivated for its small tassel-shaped heads of scarlet flowers |