Brachythecium jacuticum Ignatov

Species

Bryophytes > Hookeriales > Brachytheciaceae > Brachythecium

Characteristics

Plants slender to medium-sized, in loose to moderately dense mats, light yellowish or whitish. Stems to 5 cm, creeping, terete-foliate, irregularly or often sparsely pinnate, branches to 5 mm, straight to slightly curved, terete-foliate. Stem leaves erect, moderately loosely arranged, ovate-lanceolate or lanceolate, broadest at 1/7 leaf length, slightly concave, not or weakly plicate, 2-2.4 × 0.6-0.8 mm; base indistinctly to distinctly narrowed, narrowly short-decurrent; margins plane or recurved near base, entire; apex gradually acuminate; costa to 60% leaf length, slender, terminal tooth indistinct or absent; alar cells subquadrate to short-rectangular, small, 13-30 × 12-16 µm, walls thick, region ± distinctly delimited, of 4 or 5 × 3-5 cells; laminal cells linear, 70-125 × 5-9 µm; basal cells 25-45 × 9-13 µm, , region in 1-3 rows. Branch leaves similar, somewhat smaller. Sexual condition autoicous. Seta red-brown, 1.5-2 cm, smooth. Capsule inclined to horizontal, elongate, red-brown, curved, 2 mm; annulus separating by fragments; operculum conic. Spores 12-16 µm.
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Identifiers

LSID 100367505
WFO ID wfo-0001040351
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Brachythecium jacuticum