Leaves monomorphic, dying back in winter, 35--120 × 15--40 cm. Petiole 1/3 length of leaf, scaly at base; scales scattered, dark, glossy brown to nearly black, with pale border. Blade green, often white-mottled at tip, ovate, tapering abruptly at apex, pinnate-pinnatifid to 2-pinnate at base, herbaceous, not glandular. Pinnae parallel to plane of blade, ovate-lanceolate, broadest above base; basal pinnae broadly oblong-lanceolate, slightly reduced, basal pinnule equal to adjacent pinnules, basal basiscopic pinnule and basal acroscopic pinnule equal; pinnule margins crenulate or serrate. Sori nearer midvein than margin. Indusia and axes lacking glands. 2 n = 82.
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