Japan Flora: Rhizomes short, covered with stubs o£ old stipes and dark brown lanceolate scales; fronds fragile, tufted; stipes 3-15 cm. long, terete, purple- to red-brown, lustrous, the scales at base membranous, lanceolate, 4-6 mm. long, finely striate; blades usually longer than the stipes, ovate to oblong-ovate, 8-30 cm. long, 4-12 cm. wide, glabrous on upper side, more or less white-farinose beneath, 2- or 3-pinnatiparted, acuminate, acute at the tip, the rachis purplish, sulcate on upper side; pinnae sessile; pinnules oblong-ovate to oblong, obtuse to subacute, lobed to parted, the lower ones usually sessile, the upper ones and sometimes the lower pinnules decurrent on the rachis, crenate; veins very slender, usually invisible on underside; sori marginal; false indusia lobulate, scarious. Mountains.

Honshu (centr. and Kanto Distr.); rather rare. Korea, China, Manchuria, and Amur.

f. efarinosa (Makino) Tagawa. Blades green beneath.