Rhizome slender to rather stout, 2-4 mm. diam., creeping, densely clad in ferruginous hairs; stipites distributed. Stipes 10-15 × 2-3 cm., rather rigid, yellowish, shining, except towards darker base, glab. but ± tuberculate. Rhachis pale, ± hairy and muricate. Lamina broadly deltoid-ovate, subcoriac., 2-pinnate, 30-40 × 20-25 cm.; pinnae alt. to subopp., diverging at wide angle to rhachis, often arcuate. Primary pinnae up to 15 × 8 cm., distant, narrow-ovate, acuminate. Secondary pinnae in subopp. pairs up to 4 × 1 cm., narrow-ovate to oblong, subacute to obtuse; pinnatisect to nearly pinnate. Segs up to 5 × 2 mm., oblong, obtuse, entire or obtusely toothed. Sori 1-4 per seg., hardly or not at all protected, 1-1·5 mm. diam.