Japan Flora: Rhizomes rather stout, short, densely clothed with yellow- brown, membranous, linear to broadly linear lustrous scales 4-5 mm. long; fronds firm, tufted; stipes I0-30 cm. long, black-purple to dark brown, lustrous, with 2 slender ridges on upper side, 1-2 mm. across, scaly near base; blades pedately divided, bipinnate; pinnae 3-10, lanceolate, 5-10 cm. long, 1.5-2.5 cm. wide, obtuse to subacute, short-petiolulate, the rachis densely dark brown setulose on upper side; pinnules 5-18 pairs, somewhat coriaceous, elliptic, obovate to ovate, 7-15 mm. long, 4-7 mm. wide, oblique, rounded to obtuse, broadly cuneate at base, minutely toothed on upper margins, glabrous, obsoletely veined on both sides; sori few on each pinnule, con­tiguous; false indusia transversely linear-oblong, 1-1.2 mm. long, 1-2 mm. wide, contiguous, glabrous, dark brown, entire, 

Kyushu (Yakushima); rare. Ryukyus, Formosa, China to India, and Malaysia.