Caudex short, suberect, bearing firm dark scales 12 × 1 mm; stipe c. 30 cm long, dark, glossy, short-hairy in the groove only; lamina 30 cm long, very firm, drying dark, free pinnae 3 or 4 pairs and 2 or 3 pairs adnate; apical lamina very obliquely lobed almost to its axis, the lobes with narrowly decur-rent bases, upper pinnae similarly lobed, their basal lobes sometimes separately attached to the rachis, all their lobes lobulaite, the lobules falcate; basal pinnae to 25 cm long, bearing 2 pairs of stalked pinnules and an apical lamina like that of the frond, basal basiscopic pinnule to 14 cm long with 1 pair of free tertiary leaflets; largest tertiary leaflet 4 cm long, very deeply lobed, the lobes crenate, basal acroscopic pinnule 8 cm long; short hairs present on upper surface of nichises and costae, also near sinuses between lobes of pinnae, lacking elsewhere; veins concolorous at both sides, more prominent on upper surface than on lower; sori at the ends of acroscopic branches of forked veins near margin; indusia small, dark, firm, glabrous.
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