Plants 18-40 cm tall. Rhizome erect, short, scaly; scales brown or dark brown, ovate-lanceolate, serrate. Fronds caespitose; stipe 5-8 cm, basal scales similar to those of rhizome, distal ones sparse; lamina oblong-lanceolate, 14-32 cm, 5-12 cm wide at middle, bipinnate-pinnatifid, slightly narrowed downward, apex acuminate; pinnae 10-18 pairs, remote, oblong-lanceolate, sessile or shortly stalked, apex obtuse; segments 6-10 pairs, nearly spreading, oblong, apex rounded, doubly serrate. Lamina papery; veins pinnate, inconspicuous adaxially, raised abaxially; rachis and costae clothed with ovate-lanceolate, black or dark brown scales. Sori on lower half of pinnae, between costa and margin; indusia thin, lacerate.
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