Homalothecium sericeum (Hedw.) Schimp.

Silken homalothecium moss (en)

Species

Bryophytes > Hookeriales > Brachytheciaceae > Homalothecium

Characteristics

Plants medium-sized to large, in dense or loose tufts, light green to golden or brownish yellow. Stems to 5 cm, moderately densely pinnate, branches 5-7 mm, curved and secund from substrate. Stem leaves erect-appressed, ± homomallous, triangular-lanceolate, (1.3-)1.8-2.4 × (0.4-)0.6-0.8 mm; base short-rounded, narrowly decurrent; margins plane or often recurved at places, serrulate, ; apex acuminate or gradually tapered, ; costa to 60-80% leaf length, terminal spine absent, occasionally present; alar cells ovate, 6-9 µm wide, region of 10-16 × 10-15 cells, moderately distinctly delimited; laminal cells linear, 40-85 × 5-6 µm; basal cells irregularly ovate, short, region in 1-3 rows, indistinctly delimited from distal cells. Branch leaves appressed to erect when dry, spreading when moist, narrowly lanceolate, 1-2 × 0.2-0.5 mm; margins plane or recurved at places, serrulate or serrate proximally, entire or minutely serrulate distally; apex acuminate; costa to 60-85% leaf length, terminal spine sometimes present; alar cells subquadrate or irregularly ovate, 7-10 µm wide, region small, of 2-5 cells along margins, indistinctly delimited; laminal cells linear-flexuose, 40-90 × 4-7 µm; basal cells in 1 (or 2) rows; distal cells smooth. Sexual condition phyllodioicous or dioicous. [Seta 1-2 cm, rough. Capsule erect, cylindric, straight or slightly curved, 2-3 mm; annulus separating; operculum long-conic, short-rostrate; peristome hygrocastique; exostome teeth papillose to base; endostome basal membrane moderately high, segments as long as teeth, narrow, cilia very short. Spores 15-19 µm].
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Images

Homalothecium sericeum unspecified picture

Identifiers

LSID 35163229
WFO ID wfo-0001183511
COL ID 6MBSH
BDTFX ID -
INPN ID 5882
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Camptothecium aureolum Homalothecium mandonii Homalothecium australiense Homalothecium barbelloides Hypnum mandonii Homalothecium sericeum Camptothecium sericeum Homalothecium sericeum var. meridionale Homalothecium sericeum var. tunetanum