Rhizome erect, forming a short trunk, scaly at the apex; scales black to brown, with shortly toothed margins. Fronds erect in a spreading tussock, dimorphic. Stipe 15-40 cm long, black and scaly at the base. Lamina 1-pinnate, 20-60 cm long, 8-10 cm wide, bright green; rachis with septate hairs; apical segment pinnatifid, dissimilar to the lateral segments, often proliferous towards the apex. Pinnae oblong-lanceolate, 8-14 cm long, 15-28 mm wide; margins lobed one-third of the way to the costa; apex attenuate; veins free, in pinnate groups of 3 or 4. Sori extending along the length of a veinlet; indusium brown with entire or uneven margins.
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