Plants in variable loose patches, dark green to black, frequently rust colored proximally. Stems 2-7 cm, central strand absent. Leaves lanceolate to ligulate, 1.5-3 × 0.3-0.6 mm, keeled, margins recurved proximally, incurved distally, tapering to a blunt cucullate apex, muticous, costal transverse section prominent, usually semicircular; basal juxtacostal laminal cells rectangular, straight to slightly sinuose walled; basal marginal laminal cells in 1-3 rows quadrate, hyaline with straight to slightly sinuose, thick transverse walls; medial laminal cells rectangular, nearly straight to sinuose or nodulose, thick-walled; distal laminal cells 1-stratose with 2-stratose ridges, to completely 2-stratose. Sexual condition dioicous, perichaetial leaves not enlarged. Seta straight, 2-6 mm. Capsule occasionally present, long-exserted, yellow-brown, oblong to cylindric, exothecial cells rectangular, thick-walled, annulus of 3-4 rows of rectangular, thick-walled cells, stomata present, operculum conic to rostrate, peristome present, fully-developed, perforated and split distally, weakly papillose.
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