Cite taxon page as 'WFO (2021): Achillea . Published on the Internet; Accessed on: 24 Oct 2021'

General Information

"Heads radiate, the rays 3–13, pistillate and fertile (rarely neutral), white, sometimes pink or yellow, short and broad; invol bracts imbricate in several series, dry, with scarious or hyaline margins and often greenish midrib; receptacle conic or convex, chaffy; disk-fls mostly 10–75, perfect and fertile; style-branches flattened, truncate, penicillate; achenes compressed parallel to the invol bracts, callous-margined, glabrous; pappus none; perennial herbs with alternate, subentire to pinnately dissected lvs and several or many relatively small heads in a ± corymbiform infl. 75, N. Hemisphere, mainly Old World.In addition to the following spp. [A. ptarmica; A. sibirica; & A. millefolium], A. tomentosa L., 2–4 dm, with bright yellow fls, casually escapes from cult."

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 1
    • ]. 

    Included Species


    • 1 "Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp."

     Information From

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    • A CC0 1.0 Universal (CC0 1.0).
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
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    World Flora Online consortium
    World Flora Online Data. 2018.
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