Chrysanthemum leucanthemum L.
  • Sp. Pl.
  • Noínín mór

Cite taxon page as 'WFO (2022): Chrysanthemum leucanthemum L. Published on the Internet; Accessed on: 27 Jan 2022'

General Information

Glabrate, branched, aromatic perennial herb to 1 mn tall, densely leafy; stems soft, stout, glabrous, slightly striate. Basal leaves spatulate, to 15 cm long, the lower half narrowed into a slender winged petiole, prominently serrate upwards, callose margined; cauline leaves lanceolate, to 10 cm long, remotely denticulate or entire, sessile and somewhat clasping at the base, callose margined, glabrous or apically sparingly pubescent. Heads radiate, showy, solitary, 5-9 cm across with white ray and yellow disc florets, sometimes with one or two slender subinvolucral bracts; involucral bracts herbaceous in ca. 3 imbricate series, narrowly deltoid to oblong, ca. 10 mm long with broad, brownish, erose, hyaline margins, glabrous; receptacle convex; ray florets 20-30 in apparently 1 series, ligules 3 cm long, 5 mm broad, apically denticulate, drying with longitudinal brown lines, the tube 1-2 mm long, the style white, included, the branches colored, exserted, with a prominent, ventral groove and an expanded, truncate, flat, short-fringed apex, the ovary ca. 2 mm long, glabrous, dorsiventrally flattened, deeply 10-sulcate, the pappus an interrupted ring of scales; disc florets numerous, ca. 6 mm long, the corolla not differentiated into tube and limb, 4 mm long, obconical, apically 5-dentate, the anthers 2 mm long, basally truncate, the appendages obtuse or deltoid, the ovary 2 mm long, resembling that of the ray florets but less compressed, the style branches like those of the ray florets but the apical fringe much larger. Achene black, compressed, with conspicuously contrasting ribs, glabrous; pappus of irregular scales or wanting.

  • Provided by: [C].Flora de Panama
    • Source: [
    • 1
    • ]. 

    "Rhizomatous perennial 2–8 dm, simple or nearly so, glabrous or inconspicuously hairy; basal lvs oblanceolate or spatulate, 4–15 cm (petiole included), crenate and often also ± lobed or cleft, the cauline reduced and becoming sessile, deeply and distantly blunt-toothed or sometimes more closely toothed or subentire; heads solitary at the ends of the branches, naked-pedunculate, the disk 1–2 cm wide; rays 15–35, white, 1–2 cm; achenes terete, ca 10- ribbed; x=9; typically diploid, sometimes polyploid. Fields, roadsides, and waste places; native of Eurasia, naturalized throughout most of temp. N. Amer. May–Oct. (Leucanthemum l.; L. vulgare)"

  • Provided by: [D].New York Botanical Garden
    • Source: [
    • 2
    • ]. 



  • Provided by: [C].Flora de Panama
    • Source: [
    • 1
    • ]. 

    Distribution Map

    • Native distribution
    Found in
    • Europe Northern Europe Ireland

    Nationally Preferred Names

    Noínín mórIrishIE

    Other Local Names

    White mayEnglishIE
    Nóinín capaillIrishIE
    Súil daimhIrishIE
    Ox-eye daisyEnglishIE
    Dog daisyEnglishIE
    Easbuig speainIrishIE
    Noínín bán mórIrishIE


     Information From

    CC0 1.0 Universal (CC0 1.0).
    • A CC0 1.0 Universal (CC0 1.0).
    MBG Floras Images
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • B Missouri Botanical Garden
    Flora de Panama
    Robert E. Woodson, Jr. and Robert W. Schery Annals of the Missouri Botanical Garden Vol. 67, No. 4 (1980), pp. ii-xxxiii
    • C Missouri Botanical Garden
    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.
    • D Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Irish Vernacular Names
    • E All Rights Reserved