Plants to 7 cm, in loose tufts or mats. Stems erect, semierect, or decumbent, terete-foliate, pinnate when erect, irregularly branched when decumbent, flattened in cross section, usually turgid at stem and branch apices; outer cortical cells in 3 or 4 layers, inner cortical cells large, walls thin; pseudoparaphyllia foliose; axillary hair basal cell 1, short, brown. Stem leaves ovate, short, broad; apex acute and weakly cuspidate to rounded; costa double, short, usually inconspicuous, or ecostate; supra-alar cells often ± quadrate, walls thicker than those of alar cells; inner basal laminal cells short-elongate, walls thick, pitted; apical cells short, weakly sinuate. Branch leaves lanceolate, longer; apex usually cuspidate; ecostate or costa double, short; alar region ± auriculate. Perigonia axillary, budlike, apex flaring. Perichaetia axillary, inner leaves long-lanceolate, plicate, margins weakly serrate basally, apex flaring at archegonial maturity, ecostate. Seta long, ± erect. Capsule with exothecial cells collenchymatous; annulus differentiated, 2-4-seriate; operculum conic-apiculate; exostome teeth with external surface striolate basally, papillose distally; endostome basal membrane high, segments keeled, perforate. Spores finely punctate.
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