Petiole scales orangish, rarely brown, linear or filiform, 20--40 × 0.4--1.5 mm, densely tangled and woollike. Blade 2--4-pinnate-pinnatifid, glabrous or glandular on both surfaces; glands pale yellow, ca. 0.1 mm, appressed. Basal pinnae 22--50 × 10--23 cm, inequilateral, elongate basiscopically. Ultimate segments 2--4 mm wide; margins ciliate. Veins 3--6 pairs per segment, unbranched or 1-forked. Sori medial to inframedial; indusia present but soon deciduous and therefore appearing absent. 2 n = 82.
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