Rhizome 8-12 mm in diam., densely scaly throughout; scales dark brown at center, brown at margin, lanceolate, 6-7 × ca. 1 mm, rounded at base, margin entire, apex acuminate. Fronds monomorphic. Stipe straw-colored, 5-15 cm, glabrous; lamina pinnatisect, 15-20 × 10-15 cm, base truncate or cordate, margin notched. Lateral lobes 5-11 pairs, lowest pair not or only slightly deflexed, upper pairs spreading, linear-lanceolate, 5-10 cm × 8-18 mm, apex acuminate. Costa and lateral veins distinct, raised on both surfaces, veinlets obscure. Lamina herbaceous, both surfaces glabrous. Sori orbicular, large, medial or slightly closer to margin, sunken in cavities on abaxial surface and raised on adaxial surface.