Plants ca. 90 cm tall. Rhizome obliquely ascending, apex densely scaly; scales dark brown, oblong-lanceolate, 2-3 cm, entire. Fronds caespitose; stipe dark brown, 15-25 cm, clothed with oblong-lanceolate or linear-lanceolate, brown or dark brown, sparsely dentate scales; lamina oblong-lanceolate, ca. 70 cm, ca. 22 cm wide at middle, bipinnatisect, base narrowed, ca. 10 cm wide, apex acuminate; pinnae 25-30 pairs, alternate, oblique, remote, middle pinnae lanceolate, ca. 11 × 1-1.5 cm, widest at base, base truncate, subsessile, apex acuminate, lowest pinna pair deltoid-lanceolate, ca. 5 cm; segments ca. 16 pairs, oblique, approximate, oblong, apex obtuse, deltoid-serrate or incised-serrate on sides. Lamina herbaceous, both surfaces subglabrous; rachis and costa clothed with lanceolate and dark brown or linear-lanceolate and brown scales, costae and costules clothed with lanceolate, brown scales; veins pinnate, often simple, obscure adaxially, evident abaxially. Sori 4 or 5 pairs on each segment, in 1 regular row on each side of costule; indusia brown, orbicular-reniform, entire. Spores 32 per sporangium.
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