Rhizome creeping, c. 7 mm in diameter, set with linear-lanceolate, dark brown, entire rhizome-scales c. 3 mm long, with paler narrow borders. Fronds tufted, thinly coriaceous, gemmiferous, rarely gemmiferous at base of apical segment of each pinna as well as terminally; stipe matt black, set with fimbriate scales; lamina narrowly oblong-ovate to deltate, acute, up to 480 x 200 mm, 2-pinnate to 3-pinnatifid, basal pinnae slightly larger than those above; pinnae lanceolate-deltate, unequally cuneate basally, attenuate, progressively more deeply divided towards base into oblong-cuneate or rhombic pinnae with outer margins sharply serrate and irregularly incised, upper surface glabrous, under surface set with occasional scales. Sori of irregular lengths, up to 20 mm long; indusium membranous, entire, c. 0.4 mm broad.
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