Plants (1-)2-5(-7) cm. Stems dark reddish brown. Leaves green to dark green, undulate or contorted and often somewhat twisted when dry, broadly ovate, elliptic, or ovate-elliptic, some-times narrow, (2-)2.5-3.5(-4) mm; base short-to long-decurrent; margins sometimes reddish brown or brownish with age, 1-stratose or rarely 2-stratose in short sections, entire or weakly toothed distally, rarely to below mid leaf, teeth single or rarely paired, small, blunt, sometimes reduced to small extensions of distal cell ends; apex rounded-acute, acute, or obtuse, apiculate or sometimes cuspidate, cusp weakly toothed; costa subpercurrent, percurrent, or sometimes ending well before apex, distal abaxial surface smooth; medial laminal cells short-elongate or sometimes isodiametric and irregularly angular, (17-)20-35(-40)µm, slightly smaller towards margins, not in diagonal rows, sometimes in weakly defined longitudinal rows, weakly or not collenchymatous, blue postmortal color present in cells; marginal cells linear, in 1-2(-3) rows. Sexual condition dioicous. Seta single. Capsule yellow-brown, 3-5 mm; operculum conic-mammillate; exostome greenish yellow. Spores 17-22 µm.
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