Plants blackish, brownish or yellowish green. Stems up to 70 mm long. Leaves appressed with recurved apices, comose in fertile plants; narrowly ovate, acuminate, 5-7 mm long; costa ending in long-excurrent, recurved, dentate, hyaline awn; in section with ventral cells large, narrow, dorsal lamellae 2 or 3 cells long. Upper laminal cells oval to elongate, thick-walled; basal cells rectangular, thin-walled; alar cells absent or weakly developed. Capsule erect, ovoid.