Stems occasionally branched in robust specimens, often exposed between subdistant leaf bases; rhizoids few at stem base. Leaves somewhat remote on stem, 0.8-1.5(-2) mm; margin variously broadly channeled to strongly or weakly recurved in proximal 3/4; apex flat or some leaves somewhat keeled, often ending in a single pellucid cell, some apices occasionally flexed sideways with the sinuose costa; costa sinuose beyond leaf middle, rather thick, papillose on both surfaces; laminal cells 10-13 µm wide, sharply papillose. Perigonia gemmate, at the tips of stems or terminating innovations in series along a developing stem, leaves larger than stem leaves, broadly ovate-lanceolate and clasping the antheridia. Perichaetiate plants and sporophytes not known in area of the flora.
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