Plants (0.7-)1-2.5 cm, in loose tufts or mats. Stems brown or reddish brown, erect, branches few, short, not dendroid; rhizoids reddish brown, macronemata and micronemata present proximally on stem. Leaves green, incurved upwards, crisped or contorted when dry, erect-spreading, flat, or weakly keeled when moist, ovate-elliptic or sometimes elliptic, (1.5-)2.2-2.6 mm; base decurrent; margins plane, green, pale brown, or sometimes reddish, 2-stratose, toothed to below mid leaf, sometimes to base, teeth usually paired and sharp, sometimes single; apex acute or acuminate, usually cuspidate, cusp often lightly toothed; costa percurrent, distal abaxial surface toothed; medial laminal cells short-elongate or ± isodiametric, (9-)12-18 µm, often in longitudinal rows, mammillose on both surfaces, strongly collenchymatous, walls not pitted; marginal cells differentiated, linear, in 1-2(-3) rows. Specialized asexual reproduction as flagelliform branches, often copious, 2-4 mm, from distal leaf axils, with small, appressed leaves. Sexual condition dioicous. [Seta single, red, 2-3 cm, flexuose. Capsule horizontal to pendent, yellowish brown, cylindric, 2-3 mm; operculum conic or short-rostrate; exostome yellow to yellowish green; endostome reddish brown. Spores 20 µm].
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