Japan Flora: Stipes tufted, 20-40 cm. long, straw-colored, scaly throughout, the scales thinly membranous, linear- to ovate-lanceolate, pale brown, fugacious; blades oblong-lanceolate, abruptly short-acuminate, the terminal segment pinnately lobed to parted; rachis pale green, the scales sparse, lanceolate, 3-5 mm. long, lobulate-dentate, pale brown; pinnae 13-17 pairs, firmly coriaceous, dull, linear-lanceolate, §-13 cm. long, 12-20 mm. wide, subequilateral, acuminate, falcate or nearly straight, cuneate at base, very short- petiolulate, entire or crenate toward base, glabrous above, the scales beneath ovate, appressed, less than 1 mm. long, scales of the costas lanceolate to ovate, 1-2 mm. long, ciliate near base; sori 2-seriate or in a few irregular series; indusia small, subentire, flat.
Kyushu (s. distr.); rare. Formosa, China, and Indochina.