Japan Flora: Stems or rhizomes about 10 cm. long, 2-3 cm. across, creeping, densely covered with lustrous yellow-brown scales about 10 mm. long; fronds about 1.5 m. long; stipes 30-50 cm. long, dark brown, lustrous, scurfy-puberulent while young, densely scaly near base, the scales linear-lanceolate, 10-12 mm. long, membranous, yellow-brown, lustrous, ciliate near base; blades narrowly ovate, gradually narrowed toward tip, 2- or 3-pinnatiparted; pinnae broadly lanceolate, 20-35 cm. long, 4-10 cm. wide, long-acuminate, short-petiolulate or sessile, the rachis brown, lustrous, with dense incurved setulose hairs on upper side; pinnules broadly lanceolate, acute, sessile or sub- sessile, sometimes decurrent, toothed, usually pinnately lobed to parted, minutely scurfy on the costa and costules beneath, minutely setulose-hairy on the costas above; sori between the costule and margin of the pinnules or segments, rounded, naked.

Honshu (s. Kinki Distr.), Shikoku, Kyushu, rare. Ryukyus, Formosa, and China.