Plants terrestrial, more than 1 m tall. Rhizome creeping, densely dark brown hairy. Stipe 40-60 cm, ca. 4 mm in diam. at base, densely hairy, hairs distally caducous, almost glabrous; rachis and rachillae with dense, brown, short hairs abaxially, glabrous adaxially; lamina brown-green when dried, shiny, 2-pinnate, oblong in outline, 40-50 × 15-20 cm, leathery, both surfaces glabrous, with sparse, brown, short hairs only on lower veins, base slightly narrowed or not, apex long acuminate; pinnae ca. 20 pairs, alternate, basally ca. 9 cm apart, obliquely spreading, with stalk ca. 5 mm, 1-pinnate, broadly lanceolate, 15-20 × 4-6 cm, base asymmetrical, basiscopically cuneate (pinnule slightly shorter), acroscopically truncate, almost parallel to rachis, apex long acuminate, caudate; pinnules more than 20 pairs, compact, ± overlapping, with stalk ca. 1 mm, spreading, nearly rhombiform, 2.5-3.5 × 1.2-1.3 cm, unequal at base, basiscopically narrowly cuneate, acroscopically truncate, parallel to rachis, pinnatifid to 1/2 way to costa, margin dentate, apex acute; lobes oblong, apex rounded with 2 or 3 scattered teeth. Veins prominent abaxially, obvious adaxially, pinnate in lobes, 3 or 4 pairs, veinlets simple. Sori small; indusium brown, hemitelioid, sparsely shortly hairy.
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