Caudex erect; stipe at least 40 cm long, dark, glabrescent on abaxial surface, bearing many narrow mid-brown scales throughout, similar scales also present on rachis and on costae of pinnae; lamina to 50 cm long; free pinnae 3 pairs and 2 pairs adnate; basal pinnae to 23 cm long (stalk 7 mm) bearing 1 pair of free or adnate pinnules; basal basiscopic pinnules 12 × 3 cm, lobed to 3 mm from their costae, costules of lobes to 12 mm apart, lobes 8 mm wide, deeply crenate, obtuse, basal acroscopic pinnule 5 cm long, rest of basal pinnae lobed to 2-3 mm on each side of their costae; suprabasal pinnae almost sessile, deeply lobed with oblique obtuse deeply lobulate lobes; veins forming costal and costular areoles with few additional areoles below sinuses; lower surfaces glabrous or nearly so apart from scales; thick hairs present between veins on upper surface; sori mostly on acroscopic branches of free veins in pinna-lobes; indusia small and apparently caducous.
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