Stems ascending. Leaves erect, 1--3(--5) dm; bulblets absent. Petiole 1/5--1/3 length of leaf, densely scaly but scales falling off distally; scales light brown, abruptly diminishing in size distally. Blade narrowly lanceolate, 1-pinnate-pinnatifid, base narrowed. Pinnae oblong-lanceolate, overlapping, folded inward and twisted horizontally, 1--3 cm; base oblique; margins serrulate with teeth curved inward; apex obtuse to cuspidate with subapical teeth smaller than apical tooth; microscales narrowly lanceolate, with stout projections, sparse, on abaxial surface only. Indusia entire-ciliate. Spores brown. 2 n = 164.
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