Stipe 40 cm long, slender, at its base bearing light brown scales 12 mm long with filiform apices, above the base dark brown spreading scales with inflexed margins; lamina 40 cm long, thin; pinnae many pairs, stalked, close to each other; basal pinnae 17 cm long, its free pinnules 6 pairs, basal basiscopic pinnule 8-9 cm long with 5 pairs of deeply lobed tertiary leaflets, the lobes entire and slightly falcate; basal acroscopic pinnule 3.5 × 1.2 cm, bearing a single tertiary leaflet; pinnules or lobes of upper pinnae all deeply lobed, the lobes acute; veins in pinnule-lobes pinnate, the veinlets simple; lower surface of pinna-rachises bearing narrow scales 2-3 mm long, clathrate at their bases, upper surface bearing many hairs to 0.5 mm long; upper surface of pinnules between veins bearing slender appressed hairs; sori inframedial on veins; indusia small, persistent.
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