Stipe to more than 60 cm long, its basal scales flat, 12 × 1 mm, scales above base 5 mm long, the basal part clathrate with inflexed margins; lamina to c. 100 cm long; suprabasal pinnae to 60 cm long bearing 12 pairs of well-spaced pinnules, mostly stalked, the largest 15 × 5.5 cm bearing 5 pairs of deeply lobed tertiary leaflets, the largest 3.2 × 1 cm, its basal lobes crenate, their costules 4 mm apart; lower surface of rachises bearing scales 2 mm long, dilated and clathrate at their bases, margins above base inflexed, also many short hairs; sori near the costules of lobes of pinnules; indusia small, glandular.
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