Plants 1-8 cm, glossy yellowish green or golden green, not tomentose. Leaves 5-8 mm, erect when wet, appressed when dry, rarely falcate, narrowly lanceolate, ending in a long and fine, concolorous subula; alar cells conspicuous, hyaline, projecting into the costa; basal laminal cells hyaline, thin-walled, long-rectangular, lamina very short, ending at mid leaf, distal laminal cells short-rectangular or oblique, very small; costa very broad, occupying 3/4-4/5 of leaf width, long-excurrent in a fine almost entire subula, in transverse section showing very large, lax adaxial hyalocysts filling half of the costa thickness and no abaxial stereids, faintly abaxially ridged. Specialized asexual reproduction by deciduous leaves or broken leaf tips. Sporophytes not known.