Japan Flora: Fronds tufted; stipes 20-40 cm. long, straw-colored, with 3 kinds of scales, the lower and basal rather firm and lustrous, chestnut-brown, with a pale brown membranous margin, lanceolate to broadly so, 7-12 mm. long, 2-3.5 mm. wide, sparsely ciliate to subentire, the upper ones membranous, brown, concolorous, ciliate, the smallest ones dense over the whole stipe, brown, spreading to deflexed, 2-7 mm. long; blades 30-60 cm. long, 10-20 cm. wide, the scales on rachis dense, spreading to deflexed, lanceolate to filiform, ciliate in lower half or at base; pinnae acute to acuminate; pinnules coriaceous-herbaceous, obliquely ovate, obtuse to subacute, 7-15 mm. long, 3-6 mm. wide, short spine-tipped, appressed spine-toothed, with fibrous!ike scales beneath; sori in 2 series on the pinnules; indusia about 0.7 mm. across.
Honshu (Kanto Distr. and westw.), Shikoku, Kyushu.