Japan Flora: Rhizomes short, stout; fronds deciduous; stipes stout, membranous, crowded, densely scaly, 10-25 cm. long, straw-colored; scales on stipes, rhizomes, and rachis narrowly lanceolate to linear, the lower 10-30(-45) mm. long, those of the rachis 5-15 mm. long, gradually narrowed at the tip, spreading to deflexed, rather unequal, brown, lustrous; blades oblanceolate to broadly so, 40-100 cm. long, 15-25 cm. wide, short-acuminate, narrowed at base, bipinnatiparted, with hairlike scales; pinnae many, her­baceous, spreading, linear-lanceolate, 15-30 mm. wide, acumi­nate, sessile, the costas beneath with small appressed ciliate brownish scales; pinnules narrowly oblong, 2.5-5 mm wide, rounded to very obtuse, crenate; sori on upper half of blade benvecn the costule and margin, disposed in 2 series on lower half of the pinnules on lower half of the forked veinlets; indusia orbicular-reniform, about 1.2 mm. across. Wooded slopes.

Hokkaido, Honshu, Shikoku; locally common. Sakhalin, s. Kuriles, Korea, and Manchuria.