Japan Flora: Rhizomes ascending, stout; stipes 20-50 cm. long, brownish, moderately scaly; scales more num­erous near the base, lanceolate or narrowly so, the lower ones 8-12 mm. long, upper ones 3-5 mm. long, long-acuminate, lustrous, entire, spreading; blades ovate to narrowly so, 30-50 cm. long, 20-30 cm. wide, acuminate, the rachis usually brown­ish, with sparse, broadly linear to filiform, brown scales 2-4 mm. long; pinnae obliquely spreading, deltoid-lanceolate, 3-5 cm. wide, acuminate, distincdy petiolulate, the lowest pinnae slightly broader, oblique; pinnules broadly lanceolate to nar­rowly oblong-ovate, 15-40 mm. long, 6-15 mm. wide, acute to obtuse, broadly cuneate at base, with scattered, short-appressed, hairlike scales beneath, glabrous above, the upper ones coarsely incurved-toothed, the lower pinnately parted, the costules be­neath with small appressed ovate-saccate scales; sori more or less median in 2 rows on the pinnules; indusia orbicular-reni- form, entire, about 1 mm. across.   

Honshu (s. Kanto through Tokaido to Kinki and Chugoku Distr.), Shikoku, Kyushu.