Trematodon Michx.
  • Fl. Bor.-Amer. 2: 289. 1803.
  • [Greek trema, hole, and odon, tooth, alluding to perforate peristome teeth]

Cite taxon page as 'WFO (2020): Trematodon Michx. Published on the Internet; Accessed on: 25 Sep 2020'

General Information

Leaves usually contorted when dry, lanceolate to broadly subulate from an ovate or oblong sheathing base, 1.5-4 mm, apex acute to narrowly obtuse, margins entire or with a few teeth apically; costa subpercurrect to excurrent as a subula; distal laminal cells subquadrate or short-rectangular. Perichaetial leaves distinctly larger than the cauline, convolute-sheathing. Seta elongate, 0.5-1.5 mm. Capsule long-exserted, cylindric with neck strongly differentiated, conic to long-cylindric; peristome absent or present, of 16 simple, forked or perforate teeth, vertically barred on external surface; operculum differentiated, obliquely long-rostrate. Calyptra cucullate. Spores medium-sized, 20-30 µm, papillose.

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

    Included Species

    Other Local Names

    [Greek trema, hole, and odon, tooth, alluding to perforate peristome teeth]

     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [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).