Rhizomes short, erect, apex densely scaly; scales dark brown, linear-lanceolate. Fronds caespitose; fronds ca. 50 cm; stipe blackish brown, upward light red-purple, ca. 22 cm, ca. 2 mm in diam., base similarly scaly, upward glabrate; lamina 2-pinnate, ovate-lanceolate, up to 35 × ca. 15 cm, base slightly narrowed, apex acuminate; pinnae ca. 10 pairs, alternate, spreading, sessile, lower pinnae falcate-lanceolate, up to 10 × ca. 1.7 cm, base truncate, alongside rachis, pinnate, apex caudate-acuminate; pinnules 16-20 pairs, alternate, approximate, ascending, sessile; lower pinnules suboblong, 8-9 × 3-4 mm at middle, base inequilateral, truncate, somewhat auriculate on acroscopic side, cuneate on basiscopic side, margin prominently or finely toothed or shallowly lobed, apex obtuse, obtuse-rounded, or acute; veins inconspicuous adaxially, visible abaxially, pinnate in pinnules, lateral veins ca. 7 pairs, lower veins forked, upper veins simple, but pinnate in auriculate lobes. Lamina papery when dried, pale greenish brown, glabrate on both surfaces; rachis and costae pale red-purple, glabrate abaxially, with subulate spines on adaxial side at base of costa or costule. Sori oblong, 3 or 4 pairs per pinnule, subcostular; indusia brownish, oblong, membranous, entire, persistent. Perispore surface without folds.
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