Terrestrial; rhizomeshort-decumbent, up to 16 mm in diameter, with crowded stipe bases and brown to dull ferrugineous scales, larger scales up to 31≈5 mm, smaller scales linear-acuminate to ovate, irregularly set with short bifid teeth, glands, and irregular outgrowths. Fronds5–7 per plant, tufted, erect to arching, up to 1.5 m long; stipe proximally castaneous, stramineous higher up, up to 61 cm long and 10 mm in diameter, near base with dense scales up to 24≈10 mm, those higher up fugaceous; laminafirmly herbaceous, ovate to broadly ovate, up to 92≈62 cm, 2-pinnate to 2-pinnate-pinnatifid;rachisgreenish to stramineous, narrowly winged towards apex, initially with sparse to moderate stramineous to ferrugineous, scales up to 6≈1.5 mm; pinnaeup to 8 stalked pairs, subsessile and adnate towards apex, basal pinnae triangular, lanceolate, or oblong-acuminate towards lamina apex, basal pair longest, basiscopically developed, up to 32≈14 cm; pinna-rachisnarrowly winged for most of its length, subglabrous adaxially, initially moderately set with scales up to 5≈2.5 mm on abaxial surface; pinnulespetiolate, narrowly lanceolate to oblong-acuminate, often slightly basiscopically developed, acroscopic pinnule on basal pinnae up to 86≈25 mm, basiscopic pinnule on basal pinnae up to 106≈38 mm; segments sessile, lanceolate to oblong, basiscopically decurrent, up to 18≈8 mm, shallowly lobed to shallowly dentate, adaxially glabrous or with a few scattered hairs along costule, abaxially sparsely to moderately set with moniliform or isocytic hairs and filiform to subulate scales. Sorimedial to inframedial, discrete or touching at maturity, circular, up to 2 mm in diameter; sporangiumstalk simple, glandular, or with a short, few-celled hair; indusiumabsent or present, brown, firmly herbaceous, cordate to reniform, repand to erose, margin glandular or eglandular, up to 1 mm in diameter. Sporesvariously set with prominent tubercles and/or ridges, ruminate, 30–78≈20–50 mm. Fig. 13: 1.
