Rhizome 2-3 mm in diam., densely scaly; scales yellowish brown, lanceolate, broad at peltate base, apex long acuminate with narrow subulate tip. Stipe straw-colored, 8-16 cm, glabrous; lamina simple or trifid within one individual; simple lamina linear, 8-16 × ca. 1 cm, base cordate, margin entire or remotely notched, apex caudate; trifid lamina: central lobe much longer than lateral lobes, 16-24 × ca. 1 cm, all lobes usually slightly contracted at base, widest at middle, apex acuminate. Lateral veins visible, veinlets obscure. Sori orbicular, slight sunken on abaxial surface and raised on adaxial surface.
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