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|Noun||1.||genus Achillea - perennial often aromatic and sometimes mat-forming herbs of north temperate regions: yarrow; milfoil|
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
achillea - any of several plants of the genus Achillea native to Europe and having small white flowers in flat-topped flower heads