Brachytheciastrum delicatulum (Flowers) Ignatov
  • Arctoa

Cite taxon page as 'WFO (2020): Brachytheciastrum delicatulum (Flowers) Ignatov. Published on the Internet; Accessed on: 29 Oct 2020'

General Information

Plants moderately small to medium-sized, in loose or moderately dense tufts, green to yellowish. Stems to 5 cm, creeping, terete-foliate, not julaceous, irregularly to regularly pinnate, branches to 10(-15) mm, terete- or subcomplanate-foliate. Stem leaves erect at base, densely to loosely arranged, often loosely arranged at shoot ends, falcate-secund, ovate or ovate-lanceolate, slightly to moderately plicate, rarely not plicate, 1.4-2.5 × 0.3-0.5(-0.7) mm; margins plane or recurved in places (more commonly proximally), serrulate to base, rarely subentire; apex gradually or abruptly long-acuminate, acumen often falcate or flexuose; costa to 50-75% leaf length, terminal abaxial spine small; alar cells subquadrate, 10-25 × 8-15 µm, region extensive, triangular, of 8-10 × 5-8 cells, fairly distinctly delimited; laminal cells linear, 50-90 × 45-10µm; basal juxtacostal cells shorter, to 8-10 µm wide, indistinctly delimited. Seta reddish, 1-1.5 cm, smooth or slightly rough distally. Capsule inclined, sometimes slightly erect, reddish, ovate, 1-2 mm; endostome basal membrane 1/5 -1/3 endostome length, cilia short to absent. Spores 10-15 µm.

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

     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).