Plants 0.2-0.4 cm. Stem leaves loosely appressed when dry, ovate-lanceolate to oblong-lanceolate, 1-2.2 mm; margins revolute nearly to apex, entire except for denticulate apex on some leaves; apex narrowly obtuse to broadly acute, sometimes apiculate; basal laminal cells broadly rectangular, walls thin, not nodose; distal cells 9-14 µm, 1-stratose, papillae 2-4 per cell, conic, small. Specialized asexual reproduction by gemmae on abaxial surface of leaves. Sexual condition autoicous. Seta to 1 mm. Capsule immersed to 1/2 emergent, oblong to ovate-oblong, 0.8-1.4 mm, smooth when dry, wrinkled to slightly 8-plicate when old, constricted below mouth when dry; stomata immersed; peristome single; prostome absent; exostome teeth 16, erect or recurved with age, finely papillose, rarely striate at apices; endostome segments usually absent, or 8, rudimentary, of 1 row of cells, smooth. Calyptra oblong, smooth, naked. Spores 13-20 µm.