Noun | 1. | ![]() 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 Artemisia filifolia, sand sage, silvery wormwood - silver-haired shrub of central and southern United States and Mexico; a troublesome weed on rangelands Artemis spinescens, bud brush, bud sagebrush - a perennial that is valuable as sheep forage in the United States Artemisia cana, gray sage, grey sage, Seriphidium canum, silver sage, silver sagebrush - low much-branched perennial of western United States having silvery leaves; an important browse and shelter plant Artemisia tridentata, big sagebrush, Seriphidium tridentatum, blue sage - aromatic shrub of arid regions of western North America having hoary leaves |