Achillea impatiens L.


Cite taxon page as 'WFO (2020): Achillea impatiens L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000045164. Accessed on: 29 Nov 2020'

General Information

Herbs, perennial, 40-60 cm tall, with short rhizomes; stem erect, few branched in upper part, pubescent above middle. Middle stem leaves sessile; leaf blade lanceolate, 1.5-4.5 × 0.3-0.9 cm, both surfaces sparsely pilose; rachis 1-2 mm wide, segments linear-lanceolate, margin entire, minutely serrulate or with 1 or 2 teeth on one side, apex acute. Upper stem leaves similar, gradually smaller. Synflorescence a terminal flat-topped cyme. Capitula 5-8 or more. Involucre hemispheric, 5-7 mm in diam.; phyllaries in 3 rows, broadly lanceolate, 3.5-4.5 × ca. 1.8 mm, abaxially sparsely villous, margin scarious, midvein convex, red-brown or deep brown. Paleae lanceolate, apex sparsely villous. Ray florets 8; lamina white, broadly elliptic, apex 3-crenate. Disk florets white, tubular. Achenes oblanceolate, ca. 2.5 × 1.3 mm, with winged lateral ribs. Corona absent. Fl. and fr. Jul-Aug. 2n = 18.

  • Provided by: [B].Flora Of CHina @ efloras.org
    • Source: [
    • 1
    • ]. 

     Information From

    Compositae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • A CC0 1.0 Universal (CC0 1.0).
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).