Pneumatopteris

Plants terrestrial. Rhizome short, erect or sometimes creeping. Fronds monomorphic, pinnate, proliferous with at most 1 bud on rachis near the apex. Lamina without scales, basal pinnae slightly reduced, no forked or branched hairs, veins of the pinnae lobes with several pairs meeting below the sinus between the lobes. Sori circular, exindusiate.