Japan Flora: Rhizomes densely clothed with brown membranous linear-lanceolate long-acuminate scales 1-1.5 cm. long; stipes straw-colored, angled, slender, 10-15 cm. long, pilose and prominently scaly toward base; blades gray-green, 7-20 cm. long, 6-13 cm. wide, acute to obtuse, with white, spreading eglandular and short- glandular hairs on rachis and underside of blades; pinnae nar­rowly ovate, the lower ones prominently petiolulate, usually obtuse; ultimate pinnules obtuse, numerous, slightly imbricate. July-Oct.

Honshu (Chugoku Distr.), Shikoku. Korea.