Japan Flora: Rhizomes stout, short-creeping; fronds decidu­ous; stipes 20-50 cm. long, straw-colored, lustrous, densely scaly toward base; scales broadly linear to narrowly oblong, 1-2 cm. long, deep brown, spreading, lustres, entire; blades ob­long-ovate to oblong, 40-80 cm. long, 20-30 cm. wide, bipin­natiparted to bipinnatisected, abruptly short-acuminate, pale green and somewhat whitish beneath, the rachis with linear, thinly membranous, pale brown scales; pinnae 12-20 pairs, her­baceous, linear-lanceolate, 2-4 cm. wide, acuminate, very short- petiolulate, glabrous on both sides or the costas beneath with linear to lanceolate-deltoid, pale brown scales; pinnules oblong- lanceolate, 1-2 cm. long, 4-6 mm. wide, acute to obtuse, adnate at base, the lowermost ones contracted and sessile, coarsely cre­nate, softly awn-tipped; sori in 2 series on the upper 1/2-2/3 of frond, slightly nearer the costules than the margin; indusia orbicular-reniform, 1-1.2 mtn. across.  Woods in mountains

Hokkaido, Honshu (Kinki Distr. and eastw.), Shikoku. Korea and s. Manchuria.