Plants in robust, loose tufts, dark olivaceous to black. Stems 1-4 cm, central strand absent. Leaves narrowly lanceolate from an ovate base, 2-4.5 × 0.4-0.8 mm, keeled, both margins recurved proximally, often narrowly, sheathing, awn 0.2-0.6(-1.5) mm, costal trans-verse section prominent, usually semicircular; basal juxtacostal laminal cells short-rectangular to linear, sinuose, thin transverse and thick lateral walls; basal marginal laminal cells quadrate to short-rectangular, straight to sinuose, thick transverse and thin lateral walls, hyaline; medial laminal cells quadrate to short-rectangular, sinuose, thick-walled; distal laminal cells 2-stratose, not bulging, marginal cells (2-)3(-4)-stratose, not bulging. Sexual condition dioicous, perichaetial leaves not enlarged. Seta straight, 0.5-1 mm. Capsule occasionally present, immersed, yellow, oblong-ovoid, exothecial cells quadrate to short-rectangular, thin-walled, stomata present in 2-3 rows, annulus of 2 rows of rectangular, thick-walled cells, operculum long-rostrate, peristome present, fully developed, perforate in middle, split in distal half.
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