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

alecost, balsam herb, bible leaf, Chrysanthemum balsamita, costmary, mint geranium, Tanacetum balsamita - tansy-scented Eurasian perennial herb with buttonlike yellow flowers; used as potherb or salad green and sometimes for potpourri or tea or flavoring; sometimes placed in genus Chrysanthemum

camphor dune tansy, Tanacetum camphoratum - densely hairy plant with rayless flowers; San Francisco Bay area

Chrysanthemum coccineum, painted daisy, Tanacetum coccineum, pyrethrum - spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum

Chrysanthemum cinerariifolium, Dalmatia pyrethrum, Dalmatian pyrethrum, Tanacetum cinerariifolium, pyrethrum - white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum

northern dune tansy, Tanacetum douglasii - lightly hairy rhizomatous perennial having aromatic feathery leaves and stems bearing open clusters of small buttonlike yellow flowers; sand dunes of Pacific coast of North America

Chrysanthemum parthenium, feverfew, Tanacetum parthenium - bushy aromatic European perennial herb having clusters of buttonlike white-rayed flower heads; valued traditionally for medicinal uses; sometimes placed in genus Chrysanthemum

Chrysanthemum ptarmiciflorum, dusty miller, silver lace, silver-lace, Tanacetum ptarmiciflorum - shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemum

golden buttons, Tanacetum vulgare, tansy, scented fern - common perennial aromatic herb native to Eurasia having buttonlike yellow flower heads and bitter-tasting pinnate leaves sometimes used medicinally