Ranunculus acris L.
  • Sp. Pl. : 554 (1753)
  • Meadow buttercup

Cite taxon page as 'WFO (2023): Ranunculus acris L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000461396. Accessed on: 24 Mar 2023'

General Information

Stems erect from short caudex or rhizome, never rooting nodally, hispid, strigose, or glabrous, base not bulbous. Roots never tuberous. Basal leaf blades pentagonal in outline, deeply 3-5-parted, 1.8-5.2 × 2.7-9.8 cm, segments 1-2×-lobed or -parted, ultimate segments narrowly elliptic or oblong to lanceolate, margins toothed or lobulate, apex acute to rounded. Flowers: receptacle glabrous; sepals spreading, 4-6(-9) × 2-5 mm, hispid; petals 5, yellow, 8-11(-17) × 7-13 mm. Heads of achenes globose, 5-7(-10) mm wide; achenes 2-3 × 1.8-2.4 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, deltate, usually with tip short or long, straight or curved, subulate, 0.2-1 mm. 2 n = 14.

  • Provided by: [A].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Spreading-hairy perennial, slender, eventually to 1 m, leafy mostly below the middle, the long branches with few, widely separated, much reduced lvs; lvs reniform, deeply 3-cleft, the broadly cuneate-obovate segments incised or cleft into oblong or linear lobes; pet broadly obovate, often retuse, 8–16 mm, twice as long as the sep; achenes in a subglobose head, flat, margined, broadly and obliquely obovate, 2–3 mm, the beak 0.4–1 mm; 2n=14, 28, 29, 32. Native of Europe, widely introduced in N. Amer. as a weed in fields and meadows and along roadsides. May–Sept. Double-flowered forms occur.

  • Provided by: [C].Manual of Vascular Plants of Northeastern US and Canada
    • Source: [
    • 3
    • ]. 


    30–100 cm hoch, reich verzweigt, anliegend behaart bis kahl. Blütenstiele rund. Kelchblätter den Kronblättern anliegend. Blüten gelb, Durchmesser 2–3 cm. Blütenboden kahl.

  • Provided by: [B].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 2
    • ]. 

    Distribution Map

    • Native distribution
    Found in
    • Europe Northern Europe Ireland


    Nationally Preferred Names

    Meadow buttercupEnglishIE
    Fearbán feírIrishIE

    Other Local Names

    Ranunchel asperRaeto-RomanceCH
    Ranuncolo comuneItalianCH
    Renoncule âcreFrenchCH
    Cam an imeIrishIE
    Fearbán feoirIrishIE
    Renoncule âcre, bouton d'or
    Cearbán feóirIrishIE
    Scharfer HahnenfussGermanCH
    Meadow crowfootEnglishIE


     Information From

    Flora of North America @ efloras.org
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Flora of North America Association
    Flora Helvetica – Illustrierte Flora der Schweiz
    Flora Helvetica – Illustrierte Flora der Schweiz, Konrad Lauber, Gerhart Wagner, Andreas Gygax. Haupt Verlag 2018.
    • B All Rights Reserved
    Manual of Vascular Plants of Northeastern US and Canada
    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.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Irish Vernacular Names
    • D All Rights Reserved
    World Flora Online Data. 2021.
    • E CC0 1.0 Universal (CC0 1.0).
    World Flora Online Consortium
    World Flora Online Data. 2017.
    • F CC0 1.0 Universal (CC0 1.0).