Plants to 11 × 3.5 mm. Stem mostly branched; axillary hyaline nodules absent; central strand present. Leaves as many as 15 pairs, often undulate, oblong to lanceolate, obtuse to broadly acute, cuspidate, to 2.7 mm × 0.6 mm; dorsal lamina truncate-rounded proximally, ending at insertion, not decurrent; vaginant laminae 2/3 the leaf length, ± equal, minor lamina ending on or near margin; margin evenly serrulate, often crenulate-serrulate on dorsal and ventral laminae, elimbate; costa ending in cuspidate apex, taxifolius-type; laminal cells 1-stratose, distinct, smooth, bulging, firm-walled, irregularly hexagonal, 8-11 µm frequently paler at margin, conspicuously mammillose in vaginant laminae, larger and clearer juxtacostally. Sexual condition rhizautoicous; perigonia on short branches proximal to elongate stems; perichaetia on short, proximal, axillary branches. Sporophytes 1 per perichaetium. Seta to 17 mm. Capsule theca slightly inclined, slightly arcuate, bilaterally symmetric, to 1.5 mm; peristome taxifolius-type; operculum to 1 mm. Calyptra cucullate, smooth, to 2 mm. Spores 13-18 µm.
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