Plants 1-3 cm, in compact tufts, light green above, brownish and tomentose below. Leaves 2.5-5 mm, appressed, from a narrow base gradually contracted to an acute, straight, concolorous subula; alar cells little differentiated, only slightly wider than the basal laminal cells; basal laminal cells thin-walled, hyaline, rectangular, at margins narrower, forming a small band; distal laminal cells chlorophyllose, rectangular, ca. 4:1; costa filling 1/2-2/3 of leaf width, shortly excurrent, in transverse section showing large adaxial hyalocysts, abaxial stereids absent, almost smooth at back. Specialized asexual reproduction frequently by deciduous stem tips. Sporophytes not known in North America.
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