Osmundastrum cinnamomeum (L.) C.Presl
  • Gefässbundel Farrn : 18 (1847)

Cite taxon page as 'WFO (2023): Osmundastrum cinnamomeum (L.) C.Presl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001113307. Accessed on: 27 Mar 2023'

General Information

Rhizome creeping or ascending, short, bearing approximate fronds seemingly in a crown. Fronds dimorphic, young fronds densely covered with long, lax hairs, glabrescent and nearly naked when mature; stipe short, enlarged and winged at base, fleshy when young; sterile fronds pale yellowish green, pinnate-pinnatifid, ovate-lanceolate, 30-80(-100) × 15-25 cm, soft papery, gradually narrowed toward acuminate apex; pinnae sessile, more than 20 pairs, 5-20 × 1.5-3 cm, incised ca. 2/3 toward costa, apex acuminate; ultimate lobes entire, margin with hairs often mixed with black ones, apex rounded; lateral veins forked; fertile fronds usually shorter and developing earlier than sterile fronds, 2-pinnate; pinnae sessile, 2-4 × ca. 1.5 cm, incised almost to costa; ultimate segments 2-4 mm wide, covered throughout with sporangia. 2n = 44.

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

    Distribution Map

    • Native distribution
    Found in
    • Southern America Brazil Bahia
    • Paraní
    • Rio Grande do Sul
    • Santa Catarina
    • Espirito Santo
    • Minas Gerais
    • Rio de Janeiro
    • São Paulo

     Information From

    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    The Brazilian Flora Group (2018): Brazilian Flora 2020. http://dx.doi.org/10.1590/2175-7860201869402 Dataset/Checklist: https://ckan.jbrj.gov.br/dataset/thebrazilfloragroup_feb2018
    • A Group Brazil Flora, REFLORA Program
    Flora of China @ efloras.org
    '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 Data. 2021.
    • C CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature and Natural Resources
    IUCN 2022. The IUCN Red List of Threatened Species. Version 2021-3. ISSN 2307-8235
    • D See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use
    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).