Medical Dictionary

Achillea

noun Achil·lea \ˌak-ə-ˈlē-ə, ə-ˈkil-ē-ə\

Medical Definition of ACHILLEA

:  a large genus of temperate composite herbs of the northern hemisphere that have divided leaves and small heads of disk and ray flowers, are a source of achilleine, and include one (A. millefolium) formerly widely used as a medicinal herb

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