Stems regularly 2-pinnate, stems and branches smooth; paraphyllia 2-8 cells in length, cells 1:1, papillose. Stem leaves appressed when dry, broadly triangular, (0.2-)0.3-0.4(-0.5) apex gradually and broadly acuminate, sometimes piliferous; costa 5/6 leaf length. Branch leaves incurved-appressed when dry, 0.1-0.2(-0.3) mm; apex acute to obtuse; costa 3/4 leaf length, straight, covered with quadrate cells apically, projecting as low crests. Perichaetial leaves with margins strongly flexuose-ciliate. Seta papillose. Capsule with endostome cilia 1 (or 2).