Plants up to 1 m tall. Rhizomes decumbent, ca. 4 mm in diam.; scales brown, lanceolate. Fronds closely spaced; stipe straw-colored with brown spots, 35-60 cm × 2-4 mm, glabrous; lamina green or with yellow stripes along veins, ovate-lanceolate or ovate-oblong, 35-50 × 18-22 cm, pinnate or proximal 1 or 2 pairs of pinnae trifoliolate or bifurcate, herbaceous when dry, both surfaces glabrous. Pinnae 4-8 pairs; medial pinnae broadly lanceolate, somewhat arcuate, 12-17 × 3-4 cm, shortly stalked, base rounded or rounded-cuneate, margin with coarse, ascending teeth, apex caudate-acuminate; distal pinnae similar to medial ones but gradually reduced, sessile; terminal pinna larger than adjacent pinnae, long stalked or bifid at base. Veins distinct, 1-or 2-forked; hydathodes clavate, extending to base of teeth. Sori extending to 2/3-3/4 of veins.
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