Stems 1-pinnate, stems and branches smooth; paraphyllia to 8 cells in length, cells 1:1, sparingly papillose. Stem leaves flexuose-incurved when dry, ovate-triangular, (0.3-)0.5-0.6 mm; apex ± abruptly short-acuminate; costa disappearing in but not filling acumen. Branch leaves strongly incurved when dry, 0.5 mm; apex obtuse to acute; costa 7/8 leaf length, ± flexuose, not covered with cells apically. Perichaetial leaves with margins subentire proximally or with few coarse, blunt teeth, laxly serrulate distally. Seta papillose. Capsule with endostome cilia single, rarely with rudimentary additional cilium.