Helenium flexuosum Raf.
  • New Fl. (Rafinesque) iv. 81 (Quid ?).

Cite taxon page as 'WFO (2022): Helenium flexuosum Raf. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000037704. Accessed on: 17 Jan 2022'

General Information

Perennials, 30–100 cm. Stems usually 1, usually branched distally, strongly winged, glabrous or sparsely hairy proximally, sparsely to moderately hairy distally. Leaves glabrous or sparsely to moderately hairy; basal blades oblanceolate to obovate or spatulate, entire or serrate; proximal and mid blades oblanceolate to lanceolate, entire or toothed; distal blades lanceolate to lance-linear, entire. Heads (1–)5–50(–80+) per plant, in paniculiform arrays. Peduncles 3–10 cm, sparsely to moderately hairy. Involucres globoid to usually ovoid, 8–17 × 9–17 mm. Phyllaries (connate proximally) moderately to densely hairy. Ray florets usually 8–13, neuter, sometimes 0; corollas yellow to reddish brown to red to purple, 10–20 × 5–10 mm. Disc florets 250–500(–700+); corollas yellow proximally and purple distally or purple throughout, 2.3–3.7 mm, lobes 4(–5). Cypselae 1–1.2 mm, moderately hairy; pappi of 5–6 entire, aristate scales 0.6–1(–1.7) mm. 2n = 28.

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

     Information From

    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
    '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
    World Flora Online consortium
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).