Rhizome stout, erect, extending into an erect caudex up to 60 cm. or more tall, c. 1-2 cm. diam., including appressed stipe bases; clad in dark linear-attenuate paleae c. 3-5 mm. long; stipites tufted. Stipes stiff, dark brown, (3)-5-20-(35) cm. long, densely paleate towards base, interruptedly winged; wings passing upwards into short pinnae. Rhachis stout, ± paleate, interruptedly winged with short triangular lobes. Lamina dark green, subcoriac., 20-50 × 10-25 cm., lanceolate- to ovate-oblong, acuminate, bipinnate or pinnae pinnatisect. Primary pinnae 5-12 cm. × 8-25 mm., lanceolate to oblong-lanceolate, acuminate. Secondary pinnae or segs numerous, approximate to confluent at very base, up to 1 cm. × 3 mm., narrow oblong, acute to apiculate, subfalcate; crenate-dentate to subentire; veinlets mostly forked. Sori covering whole of undersurface.