Rhizome short-creeping; scales narrowly ovate with narrowly acute apices. Fronds erect, 30–70 cm long, dark bluish green, shiny. Stipe 12–30 cm long, scaly. Lamina 1-pinnate, with a pinnatifid apex; lower 4–6 pairs of pinnae of sterile fronds attached by the stalks only, the remainder broadly attached with the lower margin decurrent as a narrow wing. Pinnae 8–18 cm long, 2–3.5 cm wide; longest pinnae towards the base; margins shallowly to deeply lobed. Fertile fronds with smaller, narrower, paler pinnae and a longer stipe. Veins free or sparsely anastomosing, with 1 or 2 series of areoles on each side of a pinna midrib.