Rhizome slender, with black or brown, lanceolate scales; frond caespitose. Fertile frond up to 40 cm; stipe pale gray, 8-15 cm, base with brown scales; lamina lanceolate or linear-lanceolate, 10-25 × 2-3 cm, gradually narrowed to both ends, entire or slightly repand at margin; midrib prominent on both surfaces; veinlets ascending, 3-4 per vein, parallel, reaching margin. Lamina papery or subleathery. Sori widespread throughout lamina except in basal part, linear, single or occasionally double, medial; indusia pale brown, membranous. Spores reniform in equatorial view, perispore thin and hyaline, with irregularly thickly aculeate or clavate processes.