Stipe to 15 cm long, very dark; hairs in groove 0.5 mm long, basal scales 2-3 mm long, thin; rachis dark reddish. Lamina to 28 cm long; pinnae 20 pairs; lower pinnae 1-3 pairs somewhat reduced. Largest pinnae 5.5x1.1 cm, short-acuminate; basal lobes conspicuously dentate, rest with ± sinuous margins; costules 3 mm apart; veins 4-5 pairs; lower surface of rachis covered with brown hairs 0.5-0.8 mm long, acicular hairs on costae shorter, costules and veins bearing very short capitate hairs, scales on costae lanceolate, at base 5-10 cells wide; upper surface of rachis with hairs as lower surface, hairs on costae shorter, surface between veins covered with short acicular hairs. Sori a little supramedial, sometimes slightly athy-rioid; indusia glabrous.
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