Stipe nearly 50 cm long, its basal scales 15 mm long, narrow, in a close tuft, above base an abrupt transition to narrow flat scales 2-3 mm long, their cells all somewhat elongate but with dark walls and clear lamina; lamina to at least 50 cm long, texture thin, wholly catadromous; basal pinnae 20 cm long with stalks 3.5 cm and 6 pairs of widely spaced pinnules; basal basiscopic pinnule 9 cm long, bearing 1 pair of free and several pairs of adnate tertiary leaflets, all widely spaced; largest tertiary leaflet 2 cm long, lobed almost to its Costa, the lobes well spaced, very oblique and falcate, the largest 4-5 × 1.5 mm; basal acroscopic pinnule 6.5 cm long; pinnules of suprabasal pinnae all widely spaced with widely spaced narrow falcate lobes; scales on lower surface of pinna-rachis narrow, evenly attenuate from base to apex, clathrate but few basal cells isodiametric; sori small, medial or supramedial; indusia small, distinct, bearing cylindric glands; spores not seen.
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