Stipe 50 cm long, basal scales narrow, flat, thin, red-brown, 20 mm long, scales above base gradually shorter, upper ones 3-4 mm long, spreading, with inflexed margins; lamina to 50 cm long, firm; pinnae 12 pairs; basal pinnae to 23 cm long, bearing 3 or 4 pairs of free and several pairs of adnate pinnules; basal basiscopic pinnules to 8.7 × 2.4 cm, bearing 1 pair of tertiary leaflets which measure 14 × 6 mm, deeply lobed, the lobes obtuse; basal acroscopic pinnules 4 cm long; lower surface of pinna-rachises bearing narrow scales with dilated clathrate bases and short hairs, upper surface bearing dense thick hairs more than 1 mm long; sori near costules of lobes of pinnules; indusia minute, thin, bearing red cylindric glands.
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