Plants moderately small to medium-sized, occasionally large, in loose or moderately dense mats, light green to yellowish or brownish. Stems to 5-13 cm, creeping, terete-to subcomplanate-foliate, regularly pinnate, branches to 10(-15) mm, straight to flexuose, terete-or subcomplanate-foliate. Stem leaves erect or falcate-secund, densely to loosely arranged, often more loosely arranged at shoot apices, narrowly ovate or ovate-lanceolate, broadest at 1/10-1/7 length, strongly concave, slightly to moderately plicate, rarely not plicate, 1.5-2.5 × 0.5-0.9 mm; base short-rounded, ± conspicuously decurrent; margins plane or sometimes recurved (more commonly proximally), serrulate to base, rarely subentire; apex gradually or abruptly acuminate; costa to 50-75% leaf length, strong, terminal spine small; alar cells short-rectangular, enlarged, 10-25 × 8-15 µm, walls thin, region distinctly delimited, of 8-10 × 5-8 cells, ; laminal cells linear, 50-120 × 5-10µm; basal cells to 10-15 µm wide, region indistinctly delimited. Branch leaves lanceolate to linear, <3-4:1>; in linear leaves alar cells extending along margins to broadest point of leaf, region to 12 cells, 3 or 4 cells wide. Sexual condition dioicous. Seta red-brown, 1.5-3.5 cm, rough. Capsule inclined to horizontal, red-brown, short-cylindric, curved, 1.5-2.5 mm; annulus separating by fragments; operculum long-conic. Spores 13-18 µm.
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