Rhizome stout, erect, invested by bases of fallen stipites, clad in dark linear-to ovate-attenuate paleae c. 1 cm. long; stipites tufted. Stipes stiff, paleate at base, narrowly winged, dark, 2-7 cm. long. Rhachis stout, nude, grooved above. Sterile lamina subcoriac., dark green above, paler below, sts ± glaucous, pinnate in lower portion, pinnatifid in upper; 5-30 cm. × 10-25 mm., linear-lanceolate, acuminate to obtuse. Pinnae close-set, 10-15 × 5-10 mm., oblong to suborbicular; margins entire. Lowest pinnae reduced, forming a sinuate wing. Fertile lamina 5-15 × 1-2 cm.; pinnae up to 10 × 5 mm., oblong to narrow-oblong. Sori covering whole of undersurface.
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