Stems erect. Leaves monomorphic, arching, 3--10 dm; bulblets 1 or more, on distal 1/3 of rachis. Petiole 1/8--1/4 length of leaf, densely scaly; scales light brown, diminishing in size distally. Blade lanceolate, 1-pinnate-pinnatifid; base narrowed. Pinnae lanceolate-falcate, proximal pinnae ± triangular, not overlapping, in 1 plane, 2--10 cm; base oblique, acroscopic auricle well developed; margins incised to costae, segments adnate to costa for at least 2 mm, serrulate-spiny with teeth ascending; apex acute with subapical and apical teeth same size; microscales filiform, with contorted projections, dense abaxially, sparse adaxially. Indusia sparsely ciliate. Spores light brown to brown. 2 n = 164.
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