Stems 2--5 mm diam.; hairs reddish brown to chestnut brown, falling off early. Leaves to more than 1 m, axes straw-colored, glabrous except at petiole base. Penultimate segments sessile, divergent to ascending, in ± equal pairs, deeply pinnatisect, lanceolate to oblanceolate, to 30 × 6 cm wide, leathery, glabrous, whitish waxy or glaucous abaxially. Ultimate segments linear, slightly dilated proximally, margins strongly revolute, apex retuse. Sori nearer midrib than margin; sporangia usually 6--12 per sorus.
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