Japan Flora: Rhizomes long-creeping, the fronds remote, the scales dense, brown, ascending, linear-lanceolate, 4-5 mm. long, clathrate; stipes slender, pale straw-colored, naked, 20-40 cm. long; blades herbaceous, mostly pectinately parted in lower half, or simple, lanceolate, 15-35 cm. long, 2-5 cm. wide in the unlobed portion, cuneate at base, decurrent on the stipe, the winged part shorter than the blade, glabrous, the segments nearly horizontally spreading, narrowly lanceolate, to 12 cm. long, 1-1.5 cm. wide, undulate to slightly crispate; sori linear, to 2.5 cm. long, spreading or obliquely ascending.

Honshu (Izu and Kii Prov.), Kyushu. Formosa.