Rhizome wiry, creeping, sparingly branched, up to 30 cm. or more long, and 3 mm. diam.; clad in pale brown to ferruginous ovate-acuminate paleae, c. 5 mm. long; stipites distributed, but often clustered. Stipes slender, shining, reddish brown, paleate to nude; of sterile frond procumbent to ascending, 2-15 cm. long; of fertile erect, 5-25 cm. long. Rhachis nude or nearly so, with numerous subopp. pinnae. Sterile lamina subcoriac. to submembr., green to bronze-green, linear to narrow-lanceolate, acute to acuminate, pinnate to pinnatifid, 5-15-(30) cm. × 10-15 mm. Pinnae close-set 3-5-(10) cm. × 2-5 mm., oblong to triangular, obtuse to subacute, crenulate. Fertile lamina 5-10 cm. × 6-10 mm.; pinnae narrow-linear to oblong, ± arcuate, distant, often with basal lobe. Sori covering whole of undersurface.
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