Japan Flora: Fronds evergreen, thinly brown scurfy beneath; rhi­zomes short, ascending, densely clothed with the basal remains of old stipes; stipes 10-30 cm. long, 2-3 mm. across, strami­neous, brownish at base; blades narrowly 3-angled, 20-60 cm. long, 10-25 cm. wide, 2- or 3-pinnatiparted to nearly 2- or 3-pinnate, narrowed at tip, broadest at base, the rachis often extended and gemmate at the tip; pinnae many, membranous, linear to lanceolate, 7-17 cm. long in the lower ones, 2-4 cm. wide, narrowed at tip, sessile or subsessile, green on both sides, bulbils present in axils at base of median and upper pinnae; ultimate pinnules oblong, obtuse, toothed, oblique; veinlets few on each side of the ultimate pinnules, not prominent; sori intramarginal, solitary on the teeth; indusia absent.  Rocky places in damp woods in mountains.

Honshu (Kanto Distr. and westw.), Shikoku, Kyushu; rare.