Philonotis longiseta (Michx.) E. Britton
  • Bryologist

Cite taxon page as 'WFO (2021): Philonotis longiseta (Michx.) E. Britton. Published on the Internet; Accessed on: 23 Jun 2021'

General Information

Plants small, in lax to dense tufts, bright green, rufous proximally. Stems 1-3 cm, lax, simple or 2-fid, tomentose proximally. Leaves laxly erect to erect, sometimes secund when dry, erect-spreading when moist, narrowly triangular- lanceolate, 1-2.5 mm; margins narrowly revolute, serrulate nearly throughout, teeth single or paired; apex acuminate; costa excurrent, abaxial surface weakly papillose; laminal cells , prorulose, ; basal cells rectangular, shorter, broader than distal, to 45 × 12 µm; distal cells linear, 30-65 × 5-7µm. Specialized asexual reproduction absent. Sexual condition autoicous; perigonia gemmiform. Seta 1.5-3.5 cm, straight or flexuose. Capsule 1.8-2 mm. Spores reniform, 26-33 µm.

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

    Philonotis longiseta (Michx.) Britt., Bryologist 14: 44. 1911.

    Bartramia longiseta Michx., Fl. Bor.-Amer. 2: 301. 1803. Protologue: Carolina and Virginia. In Carolina, ex herbario D. Bosc, et in Virginia ex D. Beauvois.

    Philonotis graminicola C. Müll., Linnaea 38: 632. 1874. Protologue: Mexico. Orizaba? Satorius in Hb. C. Mohr. Ex Hb. Hmp. a Freder. Müller in monte Orizaba lectam habeo.

    Plants small to medium-sized, in loose, yellowish‑green or green tufts, to 15 mm high. Stems red; rhizoids at base, reddish brown, smooth to lightly roughened. Leaves 1–2.5 mm long, erect to erect-spreading when dry or erect-spreading when wet, straight or secund, lanceolate to triangular-lanceolate; apices acuminate; margins narrowly revolute, singly or doubly serrate; costa long-excurrent; cells papillose, papillae at upper cell ends, upper cells rectangular, firm‑walled, 25–47 x 6–8 μm, basal cells rectangular, to 50 x 12 μm, alar cells short-rectangular or with 2-3 quadrate cells at extreme base. Autoicous. Perigonia gemmiform, axillary, below the perichaetia. Setae 10–33 mm long, red. Capsules 2–3 mm long, brown, ovoid to subglobose, inclined to pendent, abruptly constricted at neck; exothecial cells thick-walled; opercula 0.5 mm long, conic‑mammillate; peristome double, exostome teeth red, outer surface densely and thickly papillose above, finely and evenly papillose below, trabeculae thin, inner surface smooth, trabeculae thick, endostome yellow, evenly papillose throughout, basal membrane short, each segment split along the median line and each half diverging toward the cilia, cilia 1–3, short, stout. Spores reniform, 20–27 μm, papillose.

  • Provided by: [C].Moss Flora of Central America
    • Source: [
    • 3
    • ]. 

    Distribution Map

    • Native distribution
    Found in
    • Southern America Brazil Bahia
    • Ceará

     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
    • B Group Brazil Flora, REFLORA Program
    Moss Flora of Central America
    Moss Flora of Central America. Missouri Botanical Garden. Accessed on Jun. 2020.
    • C Missouri Botanical Garden
    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.
    • D Flora of North America Association
    World Flora Online consortium
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).