Japan Flora: Evergreen; rhizomes creeping, 3-4 mm. across, densely scaly, the scales membranous, spreading, brown, linear-subulate, 3-4 mm. long, long-filiform at the tip, subentire; stipes to 22 cm. long, straw-colored, often purplish brown at base, lustrous; blades simple or frequently ternately parted, lanceolate, 15-35 cm. long, 10-15(-20) cm. wide, acuminate, the smaller blades oblong to ovate, 3-5 cm‘ long, obtuse; pinnae subentire or rarely lobulate, more or less glaucescent beneath, rounded to broadly cuneate at base; veins slender, spreading, the veinlets not visible; sori round, 2-3 mm. across, in 2 series on the pinnae, nearer the costa than the margin.  Rocks and walls. 

Hokkaido, Honshu, Shikoku, Kyushu; common. Korea, Manchuria, Rjrukyus, Formosa, and China.