Pogonatum P. Beauv.
  • Mag. Encycl. 9(5[19]): 329. 1804. (21 Feb 1804)
  • [Greek pogon, beard, alluding to hairy calyptra]


Cite taxon page as 'WFO (2021): Pogonatum P. Beauv. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000030569. Accessed on: 27 Oct 2021'

General Information

Plants medium to large, in loose pure tufts or growing among other bryophytes, or individual stems small and scattered over a persistent protonemal mat. Stems simple or branched by subfloral innovations. Leaves with a sheathing base merging gradually or ± abruptly contracted to the blade, the sheath entire (toothed in P. contortum), with or without incrassate hinge-cells at the shoulders, not hyaline-margined (except in P. urnigerum); margins serrate, toothed, or entire, without a differentiated border of elongated cells; adaxial lamellae numerous and compact, occupying the full width of the blade, or somewhat fewer with an evident marginal lamina, marginal cells not differentiated, or strongly differentiated, thick-walled and coarsely papillose. Sexual condition dioicous; male plants similar to females in appearance, or bud-like and inconspicuous. Seta smooth. Capsule ovoid to short-cylindric, ± regular to somewhat asymmetric, terete, sometimes with 4 or more indistinct angles or ridges; hypophysis not differentiated, tapering; stomata none; exothecium mammillose to scabrous, the exothecial cells mamillate or with a single papillate projection of the outer wall; operculum rostrate from a convex base; epiphragm persistent, attached to the peristome teeth; peristome deeply reddish pigmented (at least in the median line), the teeth 32, compound, with median sinus narrow or almost obliterated. Calyptra with a densely matted felt of hairs, covering most or all of the capsule. Spores finely papillose.

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

    Literature

    SELECTED REFERENCE

    Hyvönen, J. 1989. A synopsis of genus Pogonatum (Polytrichaceae, Musci). Acta Bot. Fenn. 138: 1-87.

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

    Included Species

    Other Local Names

    NameLanguageCountry
    [Greek pogon, beard, alluding to hairy calyptra]

     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
    Polytrichaceae
    • 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).