Sphagnum annulatum Warnst.
  • Bot. Centralbl.


Cite taxon page as 'WFO (2020): Sphagnum annulatum Warnst. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001185516. Accessed on: 29 Oct 2020'

General Information

Plants moderate-sized and weak-stemmed; in lawns and floating mats; brownish green, brown, reddish brown to chestnut-brown, often with bluish tint when dry, capitulum 5-radiate and flat-topped. Stems pale green to brown; cortex poorly differentiated to undifferentiated. Stem leaves lingulate-triangular to triangular-lingulate, equal to or less than 1.2 mm, more or less spreading; apex obtuse; hyaline cells mostly fibrillose and nonseptate. Branches straight to distinctly curved, leaves becoming substantially longer at distal end of the branch. Branch fascicles with 2 spreading and 1-2 pendent branches. Branch stems green, with cortex enlarged with conspicuous retort cells. Branch leaves ovate-lanceolate, 1.5-2 mm, straight to slightly subsecund, only slightly undulate and recurved if at all; margin entire; hyaline cells on convex surface with numerous small free pores, on concave surface with numerous round free pores, cells relatively short in basal region (similar to mid region); chlorophyllous cells ± triangular in transverse section, just reaching concave surface or slightly enclosed. Sexual condition dioicous. Spores 25-32 µm, finely papillose on both surfaces.

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

     Information From

    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.
    • A Flora of North America Association
    Sphagnaceae
    • B CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).