Erect stems 2-3(-5) cm, not dendroid; sterile stems to 5 (-20) cm. Leaves green to dark green, crisped and contorted and somewhat spreading when dry, transversely undulate when moist, oblong-lingulate, oblong, or oblong-elliptic, 5-8 (-10) mm; base long-decurrent; margins toothed to near base, teeth blunt or sometimes sharp, of 1 (or 2) cells; apex retuse or emarginate, rarely truncate or rounded, usually short-mucronate; costa subpercurrent, percurrent, or short-excurrent; medial laminal cells short-elongate or ± isodiametric, (15-)20-35 µm, somewhat smaller near margins, sometimes in ill-defined rows, collenchymatous, walls pitted; marginal cells linear, in (2-)3-4 rows. Sexual condition synoicous. Seta 1-4, yellow-green, dark red to blackish with age, 2-4 cm. Capsule horizontal to pendent, oblong-cylindric, 2.5-3 mm, neck not distinct; operculum long-rostrate. Spores 30-35 µm.
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