Japan Flora: Rhizomes long-creeping, terete, 5-6 mm. across, wiry, densely scaly while young; stipes terete; scales lanceolate-deltoid, 6-7 mm. long, caudate, ciliate, lustrous, dark brown; fronds scaly while very young, the dormant terminal bud densely scaly, rufous to dark brown, ciliate; pinnae chartaceous, opposite, 50-100 cm. long, 20-30 cm. wide, bipinnatiparted, green, slightly lustrous above, glaucous beneath, glabrous; pinnules many, horizontally spreading, linear-lanceolate to broadly linear, 15-30 mm. wide, sessile, pinnatiparted, the ultimate seg­ments spreading, narrowly oblong, obtuse; costa impressed above, the costules slender; veins once forked; sori median; on the anterior branches of the veins. Nov.-Jan. Dry, thin woods.

Honshu (Iwaki and Echigo Prov. westw.), Shikoku, Kyushu; common. Korea, Ryukyus, Formosa, China, the Tropics of Asia, Australia, and Polynesia.