Japan Flora: Rhizomes creeping, about 5 mm. across, chestnut-brown, hairy; stipes 30-50 cm. long, scattered short-pubescent, glabrescent, fuscous- brown; blades thinly herbaceous, 30-50 cm. long, 25-30 cm. wide, subtripinnate, the rachis subglabrous, grooved above, fuscous-brown, densely short-pubescent beneath; pinnae ovate- deltoid, acuminate, petiolulate, the lower pinnae 15-20 cm. long, 5-10 cm. wide, pinnules pinnatiparted, long-acuminate in the lower, acute to obtuse in the upper ones, hirsute be­neath on costas and veins, short-pubescent above on the costas; ultimate pinnules oblong, obtuse, oblique, crenately toothed, sometimes lobulate; sori small; indusia pale, with a few hispid hairs on back. 

Kyushu; rare.