Helenium brevifolium (Nutt.) Alph.Wood
  • Am. Bot. & Flor. 182; A. Gray, in Proc. Am. Acad. x. (1874) 204.


Cite taxon page as 'WFO (2021): Helenium brevifolium (Nutt.) Alph.Wood. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000046639. Accessed on: 23 Oct 2021'

General Information

Perennials, 20–100 cm. Stems usually 1, unbranched or sparingly branched distally, weakly to moderately winged, glabrous proximally, sparsely to moderately hairy distally. Leaves glabrous or sparsely hairy; basal blades oblanceolate to spatulate, entire or undulate to undulate-serrate; proximal and mid blades oblanceolate to lanceolate, usually entire, sometimes undulate to undulate-serrate; distal blades lance-linear, entire. Heads 1–10 per plant, borne singly or in paniculiform to corymbiform arrays. Peduncles (3–)6–11(–15) cm, sparsely to moderately hairy. Involucres hemispheric to globoid, 10–15 × 10–20 mm. Phyllaries (connate proximally) sparsely to moderately hairy. Ray florets 9–24, neuter; corollas yellow, 12.5–21 × 4–8 mm. Disc florets 200–500(–800+); corollas yellow proximally, usually purple to yellow or yellow-brown distally, 4–5.6 mm, lobes 5. Cypselae 1–1.4 mm, sparsely to moderately hairy; pappi of 6–8 entire, non-aristate scales 1–1.7 mm. 2n = 26, 28.

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

    "Fibrous-rooted perennial 3–8 dm, glabrous or merely atomiferous-glandular below, the peduncles and involucres loosely puberulent; lvs relatively few, the basal tufted and generally persistent, oblanceolate or elliptic, usually petioled, 2–17 cm overall and 0.6–2(–3) cm wide; cauline lvs few, reduced, seldom exceeding the internodes, narrowly decurrent; heads 1–3(–6), naked-pedunculate, the disk hemispheric to subglobose, 1–2 cm wide, usually purple-brown or red-brown; rays ca 8 to ca 13, neutral, 1–2.5 cm, trilobed; pappus of 5–10 awnless, often distally rounded scales 1–1.7 mm; 2n=26, 28. Swampy or boggy places and moist pine woods; se. Va. to Fla., La., and Tenn. May, June. (H. curtisii, the rare form with yellow disk)"

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

      Bibliography

     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 North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    '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.
    • B Flora of North America Association
    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.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).