Plants in open tufts or mats, dull black, often yellowish green distally, usually purplish when wet, especially in older portions of stems. Stems 1.5-10 cm, central strand absent or indistinct. Leaves erect proximally, usually slightly curved distally, rarely somewhat secund when dry, ovate-lanceolate, sharply keeled distally, 1.6-2.5 mm, 1-stratose; margins usually recurved throughout, denticulate distally, 1-or 2-stratose; apices acute; costa percurrent or excurrent as a denticulate, occasionally weakly decurrent awn, abaxial surface papillose; basal marginal cells quadrate or oblate, often trigonous; distal laminal cells mostly short-rectangular or quadrate, 8-10 µm wide, papillose, strongly sinuose with reddish or orange walls. Sexual condition autoicous. Capsule red-brown, sometimes orange-brown, ovoid-cylindric, narrowed to the mouth, 0.7-1.25 mm, rarely striate when old; exothecial cells mostly isodiametric, mainly more or less quadrate, usually mixed with a few short-elongate or oblate cells, thin-walled, with small trigones; stomata present; peristome patent or erect, dark-red or red, 190-380 µm, densely papillose, entire or slightly perforated. Spores 10-14 µm, granulose.
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