Plants medium-sized to large, in moderately dense mats, light green, yellow-green, or whitish stramineous. Stems to 7 cm, creeping, terete-foliate, irregularly pinnate, branches to 8 mm, straight to slightly curved, terete-foliate. Stem leaves erect, loosely appressed, loosely imbricate, narrowly ovate-triangular or ovate-lanceolate, broadest at 1/9-1/7 leaf sometimes almost at costa insertion, concave, plicate, plicae usually parallel in falcate leaves, often shallow and uneven in straight leaves, giving some leaves a crumply appearance, 1.5-2.6 × 0.5-1.2 mm; base rounded, broadly short-decurrent; margins partly plane, recurved in many places, serrulate to serrate in acumen, occasionally almost entire, variable within one shoot; apex gradually tapered or acuminate; costa to 40-70% leaf length, moderately strong, small terminal tooth sometimes present; alar cells subquadrate or short-rectangular, same size as or smaller than basal cells, 15-25 11-13 µm, walls thick, region ± clearly delimited, 4-9 4-7 cells; laminal cells linear, (30-)60-100(-110) × 6-9µm; basal cells to 20-40 × 10-15 µm, region in 1-3 rows, . Branch leaves often falcate-secund; alar region conspicuous, pellucid, triangular. Sexual condition autoicous. Seta orange-brown to dark brown with age, 2-2.5 cm, rough or occasionally smooth. Capsule inclined to horizontal, dark brown, elongate, curved, 2 mm; annulus separating by fragments; operculum conic. Spores 15-19 µm.
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