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DescriptionRhizome erect or shortly creeping; rhizome scales linear to ovate, extending to the base of the stipe. Fronds tufted or widely spaced, herbaceous to thinly coriaceous. Lamina pinnate to 4-pinnatifid, terminal pinna similar to lateral pinnae, basal pinnae often basiscopically developed, pinnae without powder on the undersurface; veins free, united in marginal vein bearing the sori, or variously anastomising with a costal areole. Rhachis, costae and costules sometimes with spines on the underside. Sori submarginal, covered by linear indusium, formed by the deflexed margin of the lamina, opening inwards.