Caudex short, suberect; stipe to 50 cm long, light brown when dry, when young short-hairy, glabrescent; basal scales to 10 mm long, less than 1 mm wide, rigid, almost black; lamina to 60 cm long and 50 cm wide, firm, drying dark olivaceous both sides; pinnae 1-3 pairs, apical lamina broadly deltoid and deeply lobed, not or little decurrent, the lowest lobes ± deeply lobulate; upper pinnae of large fronds deeply lolled, lobes broad, entire, obtuse to acute; basal pinnae of largest fronds bearing 1 pair of pinnules, basal basiscopic pinnule or lobe deeply lobed, basal acroscopic one lobed on largest fronds, remaining lobes entire, the lower ones acuminate; lower surface between veins glabrous on fronds of mature plants but rather densely hairy on those of young plants; the hairs between veins on the upper surface near margins only on mature plants but ± abundant on young plants; sori in one row on each side of costules of pinna-lobes with some additional ones near the costae on large fronds, always on connected veins and large, with large thin persistent glabrous indusia.
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