Japan Flora: Rhizomes firm, terete, wiry, 3-4 mm. across, with sparse
brown jointed hairs while young; stipes pale brown, tereteļ¼ fronds sometimes more than 1 m. long, firm; ultimate branches (pinnae) chartaceous, linear- to oblong-lanceolate, pinnadparted, 15-30 cm. long, 3-7 cm. wide, gradually acute, obtuse at the tip, sessile, green above, glaucous beneath; segments many, nearly horizontally spreading, linear, 3-4 mm. wide, obtuse to retuse, entire, slightly hairy beneath, the hairs jointed, brown, soon deciduous, pinnate!y veined, the veins 2-4 times forked, slightly raised on both sides; sori small, rounded, solitary near the middle portion of the uppermost vein. Oct.-Jan. Dry thin woods and thickets.
Honshu (Iwaki and Echigo Prov. westw.), Shikoku, Kyushu; common. Korea, Ryukyus, Formosa, China, and widely distributed in die Tropics and subtropics, also in Australia.