Plants 2-3 m tall. Rhizomes creeping, cylindrical, ca. 4 mm in diam., covered with rufous lanceolate scales. Fronds 2-pinnate; pinnae opposite, oblong, 90-120 × 27-40 cm, base slightly attenuate, apex acuminate; pinnules many, alternate or subopposite, pinnatifid, linear-lanceolate to lanceolate, 12-21 × 1.5-3.5 cm, base slightly attenuate, apex acuminate; lobes alternate, 30-50(-70) on each side, horizontally spreading, narrowly lanceolate to lanceolate, rarely linear, 10-15(-20) × 2.5-3.5 mm, apex obtuse; lamina papery, glaucous or gray-green abaxially, glabrous, costae and veins with sparse stellate hairs; costae plane or depressed adaxially; veins prominent on both surfaces. Sori with 3-5 sporangia.
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