Rhizome stout, erect or ascending, invested by bases of fallen stipites, clad in dark subulate- to linear-attenuate paleae c. 5 mm. long; stipites tufted. Stipes slender, 1-5 cm. long, blackish, ± paleate. Rhachis slender, paleate to nude, bearing numerous pinnae. Sterile lamina membr., bright green, 5-15-(30) × 1-4 cm., narrow-lanceolate, acuminate. Pinnae close-set, lower distinct, upper merging into pinnatifid apex, (4)-10-(20) cm. × 2-7 mm., oblong to suborbicular, crenate- to dentate-serrate, attached by broad base. Fertile lamina 5-15 cm. long, linear-lanceolate; pinnae distant, linear, 4-15 mm. long. Sori covering whole of undersurface.

2n = 66