Plants with feather-like, more or less regularly and often densely pinnate to bipinnate secondary stems, 2-8 cm long × 1.5-2 mm wide, all vegetative branches thecal, Lejeunea-type. Stems with over 100 epidermal rows of cells. Leaves: dorsal lobe ovate-oblong, 1-1.3 × 0.5-0.7 mm, ca. 1.8x longer than wide, apex broadly rounded and plane, with or without a sharp point, margins usually sharply dentate above the middle, teeth variable in size, 1-5 cells long, sometimes weakly developed only, strongest on branch leaves, ventral margin plane or narrowly incurved, curved or straight; leaf cells rounded-quadrate to subrectangular, in mid-leaf ca. 10-15 × 10 µm, towards the base strongly elongated, 20-40 × 10-15 µm, the cell walls uniformily thickened, oil bodies lacking. Lobules 0.1-0.2 mm long, with a long (5-8 cells), curved tooth. Underleaves loosely imbricate, subsquarrose, 0.5-0.6 mm long × 0.6-0.7 mm wide, margins slightly toothed above the middle. Androecia as in the genus. Gynoecia on short lateral Lejeunea-type branches and on (paired) innovations, bract lobes narrowly oblong, ca. 1.5 × 0.5 mm, lobule oblong to lanceolate, ca. 2/3× lobe length, apex of lobe and lobule acute, the margins sharply toothed above; bracteole as long as the bracts, narrowly oblong, margins (and sometimes the fold) toothed above. Perianths as in the genus, with a short, 3 cells long beak. Sporophyte as in the genus, elaters with a very dark brown spiral.
