Fruit bodies are annual, very small (usually less than half a millimeter in diameter), occurring in a multitude on top of a cobweb (sometimes almost invisible) litter, white. The cinnemates are divided into a loose powder head (basidial clusters) and a very loose tapering mycelial stalk. The hyphal system is monomitic; there are buckles on the hyphae. Cystides are absent. Spores of an ellipsoid or oval shape, with marked walls, are symmetrically located on 4 sterigms of long non-amyloid tapering to the apex of the basidia.
Representatives of the genus are saprotrophs , mostly growing on the decaying bark and leaves.