Plants gregarious to loosely tufted, yellow-green. Stems 0.3-0.7 cm, simple or branched; rhizoids at base, smooth. Leaves erect-spreading or appressed when dry, proximal leaves linear to deltoid, distal leaves oblong to lanceolate with subulate to acuminate tips, margins plane and undifferentiated, entire to serrate or abruptly toothed; costa subpercurrent to excurrent, sometimes roughened on the abaxial surface, stereid bands one or two, guide cells centrally located, confluent with the cells of the leaf lamina; basal laminal cells quadrate-rectangular, median cells irregular, rhomboidal to trapezoidal, marginal cells slightly longer than adjacent cells; distal cells elongated. Specialized asexual reproduction by innovations and rhizoidal tubers. Sexual condition monoicous; perigonia occur proximal to perichaetium with antheridia generally naked in leaf axils (paroicous), or in small buds in axils of stem leaves (autoicous); perichaetia single, terminal on mature stem, with 3-8 perichaetial leaves similar to the distal cauline leaves. Seta short, erect or curved. Capsule cleistocarpous, erect, immersed, orange to brownish, ovoid to elliptical; stomata 4-10, superficial, restricted to base of capsule. Calyptra mostly persistent, cucullate. Spores spherical, papillose to short-spinose.
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