Plants to 7.5 × 1.5-2.5 mm. Stem unbranched and branched; axillary hyaline nodules absent; central strand present or absent. Leaves as many as 25 pairs, often undulate, oblong-lingulate, abruptly narrowed to rounded-obtuse apex, 1.2-2 × 0.3-0.4 mm; dorsal lamina narrowed proximally, rounded, ending a short distance before insertion; vaginant laminae 1/2-2/3 the leaf length, acute, ± unequal, minor lamina ending near margin; margin crenulate, elimbate; costa ending 4-10 cells before apex, oblongifolius-type, distal part of leaf in transverse section showing 4 enlarged cells arranged in 2 rows; laminal cells in dorsal and ventral laminae 1-stratose, distinct, lenticularly thickened but appearing mammillose, firm-walled, irregularly hexagonal, 6-9 µm, juxtacostal and interior cells of vaginant laminae 1-stratose, smooth, plane, larger; medial marginal cells of vaginant laminae not differing perceptively from interior cells. Sexual condition cladautoicous; perigonia and perichaetia on main stems and branches. Sporophytes 1 per perichaetium. Seta to 4.5 mm. Capsule theca erect, radially symmetric, 0.3-1 mm; peristome similiretis-type; operculum 0.5-0.6 mm. Calyptra 0.7-0.8 mm. Spores 11-15 µm.
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