Plants 1.5-5(-8) cm. Stems red or brown. Leaves green, yellowish, or occasionally dark green, slightly contorted, usually coiled and twisted when dry, sometimes to one side of stem, narrowly elliptic, narrowly ovate-elliptic, or ovate-lanceolate, 3-6 mm, ; base short-decurrent; margins pale brown, 2-stratose, toothed to below mid leaf, sometimes to near base, teeth paired, large, sharp; apex acute or acuminate, apiculate or cuspidate, cusp sometimes toothed; costa ending well below apex or occasionally percurrent, distal abaxial surface strongly toothed, adaxial surface occasionally toothed; medial laminal cells ± isodiametric or short-elongate, (15-)17-26(-30) µm, slightly smaller towards margins, not in diagonal rows, sometimes in longitudinal rows, not or weakly collenchymatous, blue postmortal color absent; marginal cells linear, in (2-)3-4 rows. Sexual condition dioicous. Seta single. Capsule pale brown, 3-5 mm; operculum conic-mammillate, rarely short-rostrate; exostome yellowish brown. Spores 30-35 µm.
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