Rhizome rather long creeping, terete, ca. 1 cm in diam.; scales appressed, gray-brown, dark at middle, peltate, 4-7 × 1-1.8 mm, margin gray, long ciliate; fronds monomorphic, glabrous; basal fronds absent; foliage fronds stalked; stipe 5-10 cm, conspicuously winged to very base; lamina pinnatifid up to ca. 2 mm from costa, ca. 25 × 20 cm, apex aborted; pinnae 5-9(-11) pairs, spreading or slightly ascending, oblanceolate, 4-10 × 1-1.5(-2) cm, upper 1/3 broadest, gradually narrowed toward base, margin subentire, apex acute or acuminate; venation prominent, 2-5 rows of areoles between lateral veins, with free included veinlets. Sori in 1 row between costa and margin, close to costa, only 1 sorus between lateral veins, obviously sunken and prominent on adaxial surface.
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