Rhizomes suberect or prostrate; rhizome scales reddish brown, narrowly lanceolate, ca. 10 mm. Stipe brown to stramineous, ca. 60 cm; stipe scales spreading, brown, subulate, 5-6 mm; scales on rachis and costae similar but smaller. Lamina 2-pinnate to 3-pinnatifid, broadly ovate, ca. 70 × 50 cm; pinnae 12 pairs; basal pinnae largest, triangular, 20-25 × 13-15 cm; pinnules 12-15 pairs; basal basiscopic pinnules of basal pinnae longest, 10-12 × ca. 3 cm, ultimate pinnule or pinna lobe oblong, obtuse at apex; bases of upper pinnae or lobes not obviously decurrent, without veinlets arising from rachis. Lamina herbaceous; veins free, distinct, no veinlets arising from costae. Sori medial, exindusiate, some covered by scales. Perispore coarsely echinate.
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