Plants to 25 cm, dark green, green, yellowish, or pale green. Stems slender to medium, rigid or flaccid; stem and branch apices short-or tightly long-attenuate; axillary hairs 480-600 µm, 6-10 cells, basal cell quadrate, red, distal cells long-cylindric, hyaline or reddish. Leaves dimorphic, differing greatly in size. Stem leaves loosely erect to erect-spreading when dry or moist, narrowly lanceolate to linear, subconcave at base, plane, concave, or tubular distally, 2-6(-9) mm; margins plane at apex; apex acuminate, acute, or subobtuse; medial laminal cells 80-150 × 4-8 µm. Branch leaves 2-4 mm. Perigonia with leaves 1-1.2 mm. Perichaetia with leaves oval to suborbiculate, 2-3 mm, apex obtuse. Seta 0.2-0.3 mm. Capsule immersed to slightly emergent, narrowly cylindric, 1.7-2.5 mm; operculum conic, 0.8-1 mm; endostome trellis imperfect. Calyptra 1-1.3 mm. Spores 12-20 µm.
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