Homalothecium californicum Hedenäs, Huttunen, Shevock & D.H.Norris

Species

Bryophytes > Hookeriales > Brachytheciaceae > Homalothecium

Characteristics

Plants large, in moderately dense tufts, green, occasionally brownish with age. Stems to 15 cm, regularly pinnate, branches to 10 mm, circinate when dry. Stem leaves erect when dry, ovate-lanceolate, 2-2.8 × 0.8-1.2 mm; base slightly narrowed, narrowly decurrent; margins plane or recurved, serrulate or entire; apex acuminate; costa to 70-90% leaf length, terminal spine absent; alar cells ovate, 6-9 µm wide, , region of 15-25 × 15-25 cells, distinctly delimited, ; laminal cells elongate, 30-65(-80) × 4-8µm; basal cells irregularly long-ovate, region in 2-5 rows, indistinctly delimited from distal cells. Branch leaves erect-appressed when dry, erectopatent when moist, ovate-lanceolate or triangular-lanceolate, 1.8-2.5 × 0.7-0.9 mm; margins recurved almost throughout, serrulate to entire; apex gradually tapered or broadly acuminate; costa to 70-100% leaf length, terminal spine absent; alar cells ovate, 6-9 µm wide, region of 10-15 × 10-18 cells, distinctly delimited; laminal cells elongate, 30-60 × 4-7µm; basal cells in 1-3 rows; distal cells smooth. Sexual condition phyllodioicous. Seta 1.1-1.7 cm, rough. Capsule erect or nearly so, cylindric, straight, 3-4 mm; annulus unknown; operculum unknown; peristome xerocastique; exostome teeth striolate proximally, papillose distally; endostome basal membrane high, segments as long as exostome teeth, narrow, cilia short, less than 1/4 segment length. Spores 16-21 µm.
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Identifiers

LSID 35218058
WFO ID wfo-0001214604
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Homalothecium californicum