Plants 3.5-6(-8) cm. Stems red or reddish brown. Leaves green to dark green, crisped or undulate, twisted when dry, elliptic, ovate-elliptic, oblong-ovate, or rarely obovate, rarely narrow, 4-6 mm, ; base long-decurrent; margins reddish brown, multistratose with stereid band, toothed to below mid leaf, teeth paired, large, sharp; apex acute or rounded-acute, cuspidate or sometimes apiculate, cusp toothed; costa percurrent or excurrent, distal abaxial surface toothed, adaxial surface rarely toothed; medial laminal cells elongate, (20-)25-40 µm, slightly smaller towards margins, in diagonal or weak longitudinal rows, not or weakly collenchymatous, blue postmortal color absent; marginal cells linear, in (2-)3-4 rows. Sexual condition dioicous. [Seta single to several. Capsule yellow-brown, 1.5-2.5 mm; operculum rostrate; exostome light brown. Spores 20-32 µm].
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