Rhizomatous perennial. Fronds arching, to 70 cm long, often reddish when immature, stipe proximally scaled, lamina herbaceous, oblong-elliptic, 1-pinnate, sterile pinnae oblong-attenuate, fertile pinnae linear, base somewhat auriculate acroscopically. Sori extending most of the length of the fertile pinnae, indusium erose.
Rhizome creeping, branched, up to 10 mm in diameter, set with brown, nitid, lanceolate-attenuate, entire, concolorous and striped rhizome-scales c. 7 x 1 mm. Fronds tufted, erect, coriaceous, greyish green (or occasionally firmly membranous, green), glabrous or glandular; stipe pale brown to stramineous, darker and set with scales basally, less than % lamina length; lamina oblong-elliptic, apex somewhat cuspidate, up to 760 x 100 mm, pinnate, with a long tapering base, lowest pinnae often rudimentary, margin entire in robust specimens, often dentate in high altitude, rock crevice specimens; sterile pinnae oblong-attenuate from an auriculate base, auriculae overlapping rhachis, up to 85 x 12 mm, subsessile to shortly petiolate; fertile pinnae linear, acute, c. 60 x 2.5 mm, base somewhat auriculate acroscopically; rhachis sulcate. Sori extending most of the length of fertile pinnae; indusium reddish brown, membranous, entire to erose, c. 0.6 mm broad.