Japan Flora: Rhizomes short, ascending; stipes tufted, short-pilose, sparsely scaly; scales dark brown, linear, about 10 mm. long, puberulous; blades herbaceous, oblong-lanceolate to oblanceolate-oblong, 30-60 cm. long, 10-16 cm. wide, gradually narrowed at base, rather abruptly narrowed toward tip, the terminal pinna deltoid-lanceolate, 10-12 cm long, 2-3 cm wide; rachis densely pubescent on upper side, less so beneath; pinnae 13-15 pairs, spreading, broadly linear-lanceolate, 6-8 cm. long, 10-17 mm. wide, abruptly acuminate, truncate at base, sessile, pinnately cleft, short-pilose on both sides, densely long-pilose on the costas, sparsely so on the veinlets, the lower pinnae reduced, ovate, L5-2 cm. long, about 1 cm. wide, obtuse; pinnules oblong, about 3 mm. wide, obtuse or truncate-rounded at apex, entire; veinlets simple, not reaching the margin; sori median; indusia orbicular-reniform, densely short-pilose.

Honshu (Kii Prov.), Shikoku, Kyushu (s. distr.); rare. Formosa and widespread in the Tropics.