Plants 1-1.5 m tall. Rhizomes creeping, dark brown, cylindric, covered with brown scales. Fronds 2-pinnate; pinnae opposite, ovate-oblong, 30-50 × 20-26 cm; pinnules alternate, 20-30 on each side, pinnatisect, narrowly lanceolate, 12-18 × 1.5-2.5 cm, base attenuate, apex caudate-acuminate; lobes alternate, 25-40 on each side, obliquely spreading, lanceolate, 7-13 × ca. 2 mm, apex acute; lamina thinly leathery, greenish gray abaxially, glabrous; costae flat adaxially; veins prominent on both surfaces. Sori orbicular, exindusiate, with 4 or 5 sporangia.
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