Leaves 2-3 mm; margins entire; costa 155-180 µm wide; basal laminal cells 19-55 × 4-19 µm, narrower at margins; distal laminal cells 24-55 × 3-7 µm. Specialized asexual reproduction by clusters of spindle-shaped brood leaves in the comal tufts. Sporophytes not found in North America.