Noun | 1. | ![]() 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 beggar's-ticks, bur marigold, burr marigold, sticktight, beggar-ticks - any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing |