Rhizome apex densely covered with brown lanceolate scales. Frond 65-85 cm; stipe dark brown when young and brownish with age, 40-45 cm and 2-4 mm in diam., base densely scaly as rhizome, upward with sparse scales throughout; lamina 4-pinnate, ovate-oblong, 25-40 × 22-37 cm, base rounded, apex acute, rachis with sparse scales; pinnae 7 or 8 pairs, alternate, approximate, stalked, stalks slightly deflexed and forming an angle of ca. 70° with somewhat zigzag rachis downward from point of attachment; lowest pinna narrowly deltoid, ca. 25 × 18 cm, base broadly cuneate, apex acuminate; primary pinnules ca. 14 pairs, stalked, spreading or bent proximally, basal basiscopic one elongated, deltoid-lanceolate, ca. 14 × 4-5 cm, base cuneate, apex acuminate; secondary pinnules ca. 10 pairs, stalked, basal basiscopic one larger, narrowly deltoid, 1.8-2 × 0.8-1.2 cm, base rounded-cuneate, apex obtuse; tertiary pinnules 3 or 4 pairs (basal 1(or 2) pairs free, ovate, ca. 1 × 0.5 cm), base obliquely truncate, apex rounded; upper pinnae gradually reduced. Lamina herbaceous, green when dried; costae with brown lanceolate minute scales abaxially. Sori terminal on veinlets, 1-3 pairs on each ultimate segment; indusium brown, papery, entire, fugacious.
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