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DescriptionPlants terrestrial, lithophytic or epiphytic. Rhizome creeping, rhizome scales brown or black, entire or fimbriate or dentate. Fronds simple, tufted or spaced, herbacous or coriaceous. stipe articulated at the base. Lamina dimorphic, entire or ciliate, glabrous or thinly to densely set with scales, veins free. Sporangia acrostichoid on the underside.