Japan Flora: Rhizomes short, erect or ascending, densely scaly; fronds tufted; stipes 5-10 cm. long, red-brown, obliquely jointed at the tip, hairy and scaly throughout, the scales pale brown, lanceolate, acuminate; blades firmly herbaceous, narrowly lanceolate, acuminate with an obtuse tip, slightly narrowed at base, simply pinnate, hairy on both sides, thinly scaly beneath; pinnae spreading, oblong-lanceolate, 1-25 cm. long, 3-7 mm. wide, obtuse to acute, often falcate, obliquely cuneate at base, sessile, with an auricle on the anterior side, entire to obtusely dentate; sori in 1 series along margin on both sides; indusia subglobose, shallowly lobed, ciliate. Exposed rocks in mountains.
Hokkaido, Honshu, Shikoku, Kyushu; rather common. s. Kuriles, Sakhalin, Amur, Ussuri, Manchuria, Korea, China, and Formosa.