Japan Flora: Rhizomes ascending to erect, densely clothed with basal stubs of old stipes; fronds tufted; stipes 20-30 cm. long, stout, straw- colored, densely scaly, the scales membranous, brown, con- colorous, lustrous, dentate-ciliate, the largest narrowly to broadly lanceolate, 10-25 mm. long, gradually acuminate, spreading to deflexed, the basal ones broader, rather abruptly contracted at the tip, the smallest ones linear-lanceolate, 7-15 mm. long, ciliate in lower half, gradually attenuate forming a contorted filiform tip; blades narrowly oblong-ovate, 30-80 cm. long, 15-25 cm. wide, short-acuminate, slighdy narrowed at base, deep green and slightly lustrous on upper side, the scales on rachis dense, deflexed, narrowly lanceolate to broadly linear, filiform at the tip; pinnae 15-25 mm. wide; pinnules firmly herbaceous, oblique, oblong-ovate, 8-15 mm. long, 4-6 mm. wide, obtuse to acute, spine-tipped, appressed spine­toothed, glabrate on upper side, with fibrouslike scales be­neath; sori median between the costule and the margin. Woods.

Honshu, Shikoku, Kyushu; common. s. Korea.

var. fibrillosopaleaceum (Kodama) Tagawa. Larger scales on stipes linear-lanceolate, entire to sparsely spinulose-ciliolate, gradually narrowed at tip, usually contorted, the scales on rachis linear to filiform. Honshu, Shikoku.