Plants light green, sometimes brownish. Stems 1-3 mm. Leaves ovate, ovate-lanceolate, to oblong-ovate, flat or concave, sometimes cucullate, distal leaves 2-2.5(-3) mm; margins entire, occasionally uneven from slightly bulging cells distally; costa percurrent to subpercurrent. Specialized asexual reproduction absent. Seta (1-)2-4(-6) mm. Capsule emergent to exserted, 0.8-1.5 mm, ovoid to obovate when young, becoming pyriform or campanulate with age; neck short, usually distinct; exothecial cells irregular isodiametric, oblong, or hexagonal; suboral cells consisting of 3-7(-12) rows of short-rectangular cells; annulus revoluble, composed of large, inflated, mostly deciduous cells. Spores 20-34 µm, papillose.