Stems compact, ascending, stout, 5--10 mm diam.; scales uniformly reddish brown, linear-subulate, 0.1--0.3 mm wide, thin, margins sinuous, nearly entire. Leaves monomorphic, clustered on stem, 2.5--20 cm; croziers sparsely villous. Petiole brown, lustrous, rounded adaxially, with prominent articulation lines near base. Blade linear-oblong, pinnate-pinnatifid proximally, 1--4 cm wide; rachis brown proximally, green distally, straight, rounded adaxially, glabrous to sparsely villous. Pinnae ascending or perpendicular to rachis, decurrent on rachis, deeply 2-lobed (mitten-shaped) near base of leaf; costae absent. Ultimate segments lanceolate-deltate, 5--25 mm, herbaceous, glabrous; margins recurved on fertile segments, covering less than 1/2 abaxial surface, borders whitish, erose-denticulate; apex obtuse or rounded. Veins of ultimate segments evident. Sporangia sessile or subsessile, containing 64 spores, not intermixed with farina-producing glands. 2 n = 58.
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