Stipe to 53 cm long, light castaneous, near base covered with scales 12 × 0.5 mm, scales on distal part 4 mm long, very narrow, not spreading; lamina 36 cm long, thin; free pinnae 3 pairs and 6 pairs adnate; basal pinnae 1 cm below the next pair, 14 cm long, basal basiscopic pinnules 6.2 × 2.6 cm, lobed almost to the costa, largest lobes 14 × 6 mm, lobed halfway to their costules; basal acroscopic pinnules 3.7 × 1.4 cm, with crenate lobes; suprabasal pinnae 12.5 cm long, bearing adnate deeply lobed pinnules, the pinnule-lobes mostly entire; veins slender, slightly prominent on the low er surface; lower surface of pinna-rachises bearing almost flat narrow scales 1-2 mm long and slender appressed hairs; sori inframedial in pinnule-lobes; indusia thin but persistent, pilose.
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