Rhizome filiform, ± densely clad in minute hairs; stipites rather distant. Stipes filiform, 1-5 cm. long, not winged. Rhachis not winged or very obscurely so in upper part. Lamina 2-10 cm. or more long, green, narrow-oblong, 3-pinnatifid; pinnules up to 1 cm. or more long, rather distant; final segs with solitary veinlet, toothed to incised, narrow-linear, acute. Sori stalked near base of upper pinnules, or on secondary rhachis. Indusium c. 2 mm. long, widening upwards, narrowly winged. Receptacle filiform, exserted, up to 5 mm. or more long.
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