Stipe to more than 50 cm long; basal scales 20 mm long, narrow, thin, scales for 15 cm above base gradually shorter, those on distal part and on rachis 4-5 mm long, not stiffly spreading, flat, very narrow with widened bases; lamina to 75 cm long, firm and opaque; pinnae to 10 pairs; basal pinnae to 30 cm long (stalk 2 cm) with 4 pairs of free and 3 or 4 pairs of adnate pinnules, basal basiscopic pinnule to 13 cm long with 1 pair free and 2 or 3 pairs adnate tertiary leaflets, basal tertiary leaflet 3.5 × 1.4 cm, obtuse, lobed nearly to its costa at the base, second basiscopic pinnule not longer than the first, basal acroscopic pinnule to 8.5 cm long with a pair of tertiary leaflets; larger pinnules on second pair of pinnae to 7.5 × 1.9 cm, deeply lobed, costules of lobes to 7 mm apart; costules of pinna-lobes distinct on the lower surface but not the veins; lower surface of pinna-rachis bearing copious scales like those of the main rachis but smaller, clathrate at their bases; on both surfaces between veins some appressed pale glands; sori about medial on each side of costules of pinnule-lobes; indusia very small, fringed with many pale cylindric glands.
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