Plants to 5 cm, in tufts, yellowish green, rarely green. Stems slender, not or densely reddish tomentose, evenly foliate. Leaves about 5 mm, erect-spreading, lanceolate, narrowed to a straight, serrate tip; alar cells hardly differentiated, forming hyaline or reddish auricles; basal laminal cells hyaline, thin-walled, rectangular, often forming a V-shaped area; distal laminal cells short-rectangular, incrassate; costa filling half of the leaf width, shortly excurrent in a concolorous tip, in transverse section showing large adaxial hyalocysts occupying 1/2 of the thickness of the leaf, and abaxial groups of stereids, abaxially ridged. Specialized asexual reproduction by deciduous leaves or stem tips. Sporophytes not known.
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