Plants in loose to dense tufts, green to yellowish green or brown, glossy. Stems 2.5-7 cm, densely tomentose with reddish brown rhizoids. Leaves straight, erect-spreading, little changed when dry, smooth, (4-)5.5-8(-9) × 0.5-1 mm, concave below, tubulose above, from a lanceolate base to a long-acuminate subula, apices acute or sometimes ± blunt; margins entire or slightly serrate in the distal 1/3; laminae 1-stratose; costa percurrent to shortly excurrent, 1/10-1/6 the width of the leaves at base, smooth to slightly rough above on abaxial surface, abaxial ridges absent, with a row of guide cells, 2 well-developed stereid bands extending almost to apex, abaxial epidermal layer of cells differentiated, rarely some cells in adaxial epidermal layer enlarged; cell walls between lamina cells not or slightly bulging; leaf cells smooth; alar cells 2-stratose, well-differentiated, not extending to costa; proximal laminal cells elongate, pitted, (16-)36-62(-112) × (3-)7-8(-20) µm; distal laminal cells short-rectangular to irregularly angled, pitted, (9-)10-17(-31) × (3)7-8(18) µm. Sexual condition pseudomonoicous; dwarf males on rhizoids of female plants; interior perichaetial leaves abruptly acuminate, convolute-sheathing. Seta 2.5-3.5 cm, solitary, rarely 2 per perichaetium, yellow to reddish yellow. Capsule 2-3.5 mm, arcuate, inclined, furrowed when dry, light to dark brown; operculum 1.5-2.8 mm. Spores 14-22 µm.
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