Stems of nearly uniform, thin-walled cells. Leaves soft and fleshy when moist, somewhat shrunken when dry, 2-3 mm. Brood bodies light-green, stalked, triangular-discoid, up to 300 µm across, with growing points at either side. Capsule brown or red-brown, urn 1-1.2(-2) mm; exothecial cells irregularly hexagonal with thick brown walls, broader than long in 3-8 rows at the mouth, the cells of the neck longer and wider with pale, thin walls. Spores 30-38 µm, papillae small, blunt, club-shaped.