Stipe straw-colored or dull straw-colored, ca. 40 cm × 3-5 mm; lamina abaxially grayish green, adaxially brownish green, ovate-deltoid or ovate-oblong, 28-50 × 20-25 cm, 2-pinnate, herbaceous when dry, both surfaces glabrous. Lateral pinnae 3-5 pairs, basal pair largest, deltoid-ovate, 18-25 × 10-15 cm, stalks ca. 1.5 cm, pinnate; lateral pinnules 1-3 pairs, lanceolate, 8-12 × 2-2.5 cm, shortly stalked or adnate to costa, base unequal, somewhat cordate or rounded-cuneate, apex caudate-acuminate; terminal pinnule much larger, as medial pinnae in shape and size. Medial pinnae simple, 15-20 × 2-3 cm. Pinna and pinnule margins serrate, teeth sparse and shallow. Veins free except forming a few discontinuous areoles along each side of costae; hydathodes linear, not extending to tooth base. Sori extending close to lamina margin.
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