Plants small, forming loose cushions, blackish to brownish green; saxicolous. Stems 5-20 mm tall, irregularly branched; in section round, central strand absent, inner cortical cells in 3 rows, corners thickened, outer cortical cells in 2 rows, smaller, incrassate. Leaves appressed dry, widespreading above base wet, crowded above, fragile on lower stem, generally only leaf bases remaining; lanceolate, occasionally constricted above base, 1.0-1.5 mm long; apex acute; margins plane, entire; lamina in section bistratose, cells becoming slightly larger toward margins. Costa absent. Upper laminal cells hexagonal to quadrate, weakly papillose dorsally, becoming rhomboidal to rectangular below, weakly thickened; basal cells long-rectangular, thin-walled. Dioicous. Perigonial buds terminal, rounded; leaves broadly ovate-acute, convolute; antheridia few. Perichaetia terminal; leaves similar to vegetative leaves, papillose dorsally; archegonia few. Sporophyte not known.