| Noun | 1. | genus Chrysanthemum - in some classifications many plants usually assigned to the genus Chrysanthemum have been divided among other genera: e.g. Argyranthemum; Dendranthema; Leucanthemum; Tanacetum 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 Chrysanthemum segetum, corn marigold, field marigold - European herb with bright yellow flowers; a common weed in grain fields Chrysanthemum coronarium, crown daisy - shrubby annual of the Mediterranean region with yellowish-white flowers chop-suey greens, Chrysanthemum coronarium spatiosum, shun giku, tong ho - grown for its succulent edible leaves used in Asian cooking |