Rhizome 3-6 mm in diam., very densely scaly; scales black at center, castaneous or dark brown at margin, ovate-lanceolate, ca. 5 mm, stiff, margin ciliate, apex acute. Fronds monomorphic. Stipe straw-colored to light purplish, often inserted on pseudopodium 5-15 cm, densely scaly at base, more sparsely scaly upward; lamina pinnatisect to within 1-5 mm of costa, ovate in outline, 20-30(-50) × 8-25 cm, base cordate, margin notched. Lateral lobes usually 3-10 pairs, lower 1 or 2 pairs deflexed, others spreading or ascending, lanceolate, 5-15 × 1-2 cm, apex acuminate. Costa and lateral veins distinct, veinlets obscure. Lamina herbaceous, abaxial surface pale green and sparsely scaly, scales brown or light brown, ovate, thin, mainly along costa, adaxial surface green, glabrous or papillate-pubescent on costa and main veins. Sori orbicular, slightly near costa.
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