Plants 0.5-1 m tall. Rhizome erect, short, stout; scales of rhizome and lower part of stipe dense, brownish black, lanceolate. Fronds caespitose; stipe dark stramineous or fulvous, 20-60 cm × 2-5 mm, subglabrous upward; lamina deltoid-oblong, 25-40 × ca. 30 cm, once imparipinnate; pinnae 3-8 pairs, broadly lanceolate or oblong-lanceolate, 15-20 × 2-3.5(-6) cm, base rounded or rounded-cuneate, slightly inequilateral, apex acuminate, basal pinnae with short stalks, terminal pinna similar to lower ones, with a large auriculate lobe at base, all pinnae undulate-dentate or lobed. Lamina papery, glabrous adaxially, rarely with linear scales; veins inconspicuous, pinnate, 4-6 in pinnate groups, acroscopic basal veinlet shorter, others extending to margin. Sori in 3 or 4 irregular rows along both sides of costa, nearer to margin than to costa; indusia reniform, entire.
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