Plants in compact tufts, light green to yellowish brown, glossy. Stems 1.5-6 cm, densely tomentose with dark brown to red rhizoids. Leaves straight, erect-spreading, rigid, appressed when dry, smooth, (5-)6-7(-7.5) × 0.4-0.6 mm, most of the leaf tips deciduous and absent, concave proximally, canaliculate distally, from a lanceolate base to a long subula formed by the excurrent costa, apex acute; margins entire to somewhat serrulate above; laminae 1-stratose or some 2-stratose regions near costa; costa excurrent, 1/4-1/3 the width of the leaves at base, smooth or slightly rough above on abaxial surface, abaxial ridges absent, with a row of guide cells, two thin stereid bands (2-3 cells thick), adaxial and abaxial epidermal layers not differentiated or sometimes with a few cells in both layers enlarged; cell walls between lamina cells slightly bulging; leaf cells smooth; alar cells 1-stratose, sometimes with some 2-stratose regions, well-differentiated, sometimes extending to costa; proximal laminal cells elongate-rectangular, usually pitted or indistinctly pitted, (25-)39-55(-84) × (5-)7-8(-10) µm; median laminal cells rectangular, not pitted, (11-)21-22(-37) × (4-)7-8(-10) µm; distal laminal cells nearly elliptic, incrassate. Sexual condition dioicous; male plants as tall as females, usually more slender; interior perichaetial leaves abruptly long-acuminate, convolute-sheathing. Seta 1.5-2.5 cm, solitary, yellowish to brown. Capsule 1.8-2 mm, arcuate to nearly straight, ± erect, smooth, sometimes striate when dry, yellowish brown; operculum 1-2 mm. Spores 16-28 µm.
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