Plants moderate-sized, epiphytic or sometimes terrestrial. Rhizome long creeping, with dark, peltate scales. Fronds remote, long stipitate, monomorphic or dimorphic; stipe articulate to short phyllopodia, terete or slightly winged; lamina bipinnate to 4-pinnate-pinnatifid, deltoid or pentagonal, firmly leathery or sometimes thickly herbaceous, glabrous; ultimate segments with crenate or lobed margins. Veins free, usually forked, terminating in lobes or crenations of cartilaginous margin. Sori terminal on veins, on small oblique lobes or crenations; indusium extrorse, elongate toward margin, attached at base and sides, long stalked; annulus longitudinal, consisting of ca. 14 thickened cells; spores monolete, elliptic, smooth, translucent; perispore absent. n = 10, (40).