Terrestrial; rhizomeshort-decumbent, up to 12 mm in diameter, with closely set stipe bases and ferrugineous to castaneous linear to narrowly lanceolate scales up to 15≈5 mm, acuminate, irregularly set with scattered capitate glands and long outgrowths. Frondstufted, suberect to arching, up to 1.1 m long; stipeproximally castaneous, stramineous higher up, up to 61 cm long and 7 mm in diameter, with proximally dense and distally sparse ferrugineous scales up to 18≈6 mm; laminaovate to broadly ovate, up to 59≈43 cm, 2-pinnate-pinnatifid to 3-pinnate; rachisstramineous, initially densely scaly, glabrescent, scales ferrugineous to castaneous, linear to filiform, up to 4≈0.5 mm, irregularly denticulate; pinnaeup to 13 stalked pairs, increasingly more broadly attached and basiscopically decurrent along rachis towards lamina apex, basal pair longest and mostly conspicuously basiscopically developed, inaequilaterally triangular, ovate, oblong-acuminate to lanceolate, up to 27≈13.5 cm, those higher up mostly near symmetrical, with up to 7 pinna pairs; pinna-rachisnarrowly winged towards apex, with some linear to filiform scales up to 3≈0.3 mm; pinnulespetiolate, increasingly more broadly attached and basiscopically decurrent along pinna-rachis towards pinna apex, up to 78≈26 mm, proximal basiscopic pinnules slightly basiscopically developed, narrowly lanceolate to oblong-acuminate; costanarrowly winged, with sparse scales up to 2.2≈0.1 mm; segmentsand lobes up to 15≈7 mm, ovate-obtuse to oblong-obtuse, basiscopically decurrent, shallowly lobed to denticulate, adaxially glabrous or with few hairs and filiform scales along costa, abaxially sparsely set with moniliform hairs up to 0.6 mm long on and between veins. Soripredominantly 2-seriate along pinnules, 2-seriate on lobes in larger plants, medial to inframedial on predominantly anadromous vein branches; exindusiate; sporangium stalk simple, glandular or haired. Sporeswith low reticulate ridged and bulges, 32–54≈18–34 µm.
