Plants medium-sized to large, in loose tufts, light green when young, golden or brownish yellow with age. Stems to 15 cm, ± remotely pinnate, very unequal so branching appears not pinnate, branches to 20 mm, curved, sometimes flexuose. Stem leaves erect and somewhat spreading when dry, triangular-lanceolate, (1-)1.7-2.5(-3.3) × (0.2-)0.5-0.7(-0.8) mm; base short-rounded, narrowly decurrent; margins plane or often recurved at places, serrulate to subentire, ; apex long-acuminate; costa to 70-90% leaf length, often vanishing in plications, terminal spine sometimes present; alar cells irregular, short-ovate to variously polygonal, usually mixed with short-elongate cells, 7-11 µm wide, region of 4-8 × 3-7 cells, ± distinctly delimited, usually not readily observed due to margins; laminal cells linear-flexuose, (35-)50-100 × 4-6 µm; basal cell shape irregular, short, region in 2 rows, indistinctly delimited from distal cells. Branch leaves erect and somewhat spreading when dry, slightly more spreading when moist, narrowly lanceolate, 1.5-2.2(-2.7) × 0.2-0.5(-0.6) mm; margins plane or recurved, serrulate or serrate proximally, entire or minutely serrulate distally; apex acuminate; costa to 70-90% leaf length, disappearing in acumen, terminal spine sometimes present; alar cells 6-10 µm wide, region small, distinctly delimited; laminal cells linear-flexuose, 25-85 × 4-6 µm; basal cells in 1 (or 2) rows; distal cells smooth. Sexual condition phyllodioicous or dioicous. Seta 0.7-1.5 cm, rough. Capsule erect, cylindric, sometimes slightly curved, 2-2.5 mm; annulus separating by fragments; operculum long-conic; peristome hygrocastique; exostome teeth with long transitional zone; endostome basal membrane high, segments as long as teeth, very narrow, cilia very short or occasionally 50-100% segment length. Spores dimorphic: 10-13 µm or 16-20 µm.
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