Rhizomes erect; rhizome scales brown, narrowly lanceolate, 5-7 mm. Stipe dark stramineous, 15-40 cm; stipe scales spreading, dark brown, subulate, 3-5 mm; scales on rachis and costae similar but smaller. Lamina 2-or 3-pinnatifid, broadly lanceolate, 20-30 × ca. 10 cm; pinnae 10-12 pairs; basal pinnae largest, triangular, 5-6 × ca. 4 cm; pinnules 5-8 pairs; basal basiscopic pinnules or lobes of basal pinnae longest, ca. 3 × 1 cm; bases of upper pinnae or lobes not obviously decurrent, without veinlets arising from rachis. Lamina herbaceous; veins free, distinct, no veinlets arising from costae. Sori medial, indusiate, indusia partly persistent. Perispore coarsely folded or tuberculate.
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