Japan Flora: Rhizomes short, erect or ascending, scaly; fronds glabrous, the stipes tufted, slender, 1.5-3 cm. long, straw-colored, brownish at base, jointed below the middle, scaly near the base, the scales brown, membranous, ovate to ovate-lanceolate, minutely toothed; blades 5-12 cm. long, 1-1.5 cm. wide, acuminate, pin­nate to bipinnadparted, slightly narrowed at base, the rachis greenish, smooth, glabrous; lower pinnae ovate-deltoid, sessile, the median larger, ovate-deltoid to narrowly ovate, 5-12 mm. long, 5-6 mm. wide, subacute, obliquely cuneate to sub trun­cate at base, short-petiolulate; pinnules few, obtuse to acute, sparsely crenate to lobulate; sori 1-3 on a pinnule; indusia small, salverform, with 5 or 6 irregularly fimbriate lobes.

Shikoku (Mount Tsurugi in Awa Prov.); rare. n. Korea, Manchuria, and China.