Stems ascending to erect. Leaves erect to arching back at tip, 2--8 dm; bulblets absent. Petiole 1/4--1/3 length of leaf; scales abruptly diminishing in size distally and falling off early but retaining conspicuous tuft of brown scales at base. Blade linear-lanceolate to linear, 1-pinnate, base not or slightly narrowed. Pinnae oblong, slenderly lanceolate, or falcate, usually overlapping, in 1 plane or twisted out of plane of blade, 2--4 cm; base oblique, auricles well developed; margins serrulate-spiny with teeth ascending; apex cuspidate or apiculate with subapical teeth smaller than apical tooth; microscales lanceolate to linear with straight or sharply angular projections, sparse, on abaxial surface only. Indusia entire to sharply dentate. Spores dark brown.
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