Japan Flora: Rhizomes stout, short; fronds deciduous; stipes short, rather stout, 15-20 cm. long, tufted, sulcate above, densely scaly; scales on stipes o£ 3 forms, the largest spreading, black-brown or black, lustrous, thinly chartaceous, ovate to lanceolate, 5-】0 mm. long, acuminate, finely ciliate, the smallest 1-3 mm. long, finely laciniate, the basal scales and those on rhizomes membranous, dense, lanceo­late, 1-2 cm. long, gradually acuminate, entire; blades oblanceolate, 40-65 cm. long, 15-20 cm. wide, short-acuminate, gradually narrowed at base,  bipinnatiparted, the scales of rachis broadly lanceolate, black-brown, ciliate; pinnae many, hori­zontally spreading or the lower (smaller) ones slightly de­flexed, linear lanceolate, 1-2 cm. wide, acuminate, sessile, gla­brous above, with appressed long-ciliate small scales on costas and costules beneath; pinnules many, subfalcate, linear-oblong to lanceolate, 1.5-3 mm. wide, obtuse, crenate; sori on upper 1/3 of frond, subterminal on the veinlets, submarginal; indusia orbicular-reniform, about 0.5 nun. across, entire.  Woods in mountains.

Honshu, Shikoku, Kyushu.