Caudex and bases of stipes lacking; stipe and rachis very dark, glossy, bearing throughout many narrow light brown scales; lamina incomplete, probably 50 cm long with c. 4 pairs of pinnae; apical lamina 20 cm long, lobed to a narrow wing, lobes to 10 pairs, lowest 8 × 1.5 cm, deeply closely obliquely lobulate; basal pinnae 28 cm long (stalk 3 cm) with 1 pair free pinnules and 1 pair adnate, basal basiscopic pinnule 17.5 × 7 cm bearing one free tertiary leaflet, the rest lobed to a narrow wing, the lobes' close, oblique and deeply lobulate; veins distinct on lower surface, forming costal and costular areoles, other areoles below sinuses few; lower surface glabrous apart from sparse minute hairs on costae and costules; dense short hairs present on upper surface of costae and a few hairs near sinuses; sori on free veins near apices of pinna-lobes, otherwise on anastomosing veins; indusia rather large, thin, glabrous.
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