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Genus :


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Species of this Genus


Rhizome long creeping, hairy, never scaly, superficial. Stipe long. Fronds pinnate or pseudo-pinnate, pinnae repeatedly pseudo-dichotomous. A pair of foliaceous stipule -like outgrowths at each forking except ultimate ones only the stipules an ultimate branches foliaceous. Lamina large forming thickets Veins forked more than once. Sori exindusiate, round having more than six sprangia. Sporangia pyriform with a well defined, uniseriate, uninterrupted, oblique annulus and open by a vertical slit. Spores small perisporiate, trilete tetrahedral.