Brachythecium cirrosum (Schwägr.) Schimp.

Species

Bryophytes > Hookeriales > Brachytheciaceae > Brachythecium

Characteristics

Plants large, occasionally small, in moderately dense mats, light green, becoming whitish stramineous or golden yellow in exposed habitats. Stems to 10 cm, creeping to ascending, julaceous, irregularly or rarely regularly pinnate, branches to 16 mm, straight to flexuose, julaceous. Stem leaves loosely appressed on proximal portions of stem, closely imbricate, ovate, broadest at 1/4-1/3(-2/5) leaf length, concave, not or slightly plicate, 2-3 × 0.6-1.2 mm; base gradually rounded, indistinctly short-decurrent; margins plane, incurved or recurved basally, entire or minutely serrulate below acumen, serrate or entire in acumen on leaves of same shoot; apex abruptly contracted, ; costa to 30-60% leaf length, broad proximally, rapidly narrowing distally, sometimes shorter or 2-fid from base, terminal spine absent; alar cells subquadrate, same size as or smaller than basal cells, 13-20 µm wide, walls thick, region distinctly or indistinctly delimited, of 6-8 × 5-6 cells, ; laminal cells linear, 30-80(-100) × 6-7 µm; basal cells to 10-12 µm wide, , region in 2 or 3 rows. Branch leaves similar, smaller. Sexual condition dioicous. Seta red-brown, 1.5 cm, rough. Capsule horizontal, red-brown, elongate, curved, 16 mm; annulus separating by fragments; operculum sharply long-conic. Spores 18-20 µm.
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Images

Brachythecium cirrosum unspecified picture

Identifiers

LSID 35114399
WFO ID wfo-0001155054
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INPN ID 434454
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Brachythecium cirrosum Myurium herjedalicum Eurhynchium vaucheri var. julaceum

Lower taxons

Brachythecium cirrosum var. coloradense Brachythecium cirrosum var. histrio