Japan Flora: Rhizomes short, erect, densely scaly; fronds tufted, green to somewhat whitish or glaucescent; stipes 1-5 cm. long, lustrous, red- brown, minutely hairy to nearly glabrous, densely scaly near base, the scales pale brown, membranous, lanceolate to linear, 2-4 mm. long; blades thinly herbaceous, lanceolate, 10-30 cm. long, 2-5 cm. wide, acuminate, narrowed at base, slightly whitish to glaucescent beneath, bipinnatiparted, nearly glabrous; pinnae broadly triangular-lanceolate, obtuse to subacute, broadly cuneate to nearly truncate at base, sessile; pinnules oblong, obtuse, usually obliquely spreading, usually obtusely toothed; sori 1-6 on each pinnule, nearer the margin than the costule; indusia large, thinly membranous, glabrous, globose, shallowly and irregularly lobed. Shaded rocks in mountains.
Hokkaido, Honshu, Shikoku, Kyushu. Korea, Manchuria, China, Amur, and Ussuri.