Japan Flora: Fronds tufted; stipes 20-30 cm. long, prominently scaly in lower half, sparsely so above, the scales spreading, dark brown, lustrous, narrowly ovate to linear-lanceolate, 7-10 mm. long, abrupdy acuminate, the upper ones gradually narrowed; blades 20-50 cm. long, 15-25 cm. wide; pinnae 2-8 pairs, thinly chartaceous, the upper ones ovate to oblong-ovate, abruptly acuminate, usually rounded at base, short-petiolulate, slightly unequal, subentire or irregularly mucronate-toothed, the lower larger, 10-20 cm. long, 4-7 (-10) cm. wide, the terminal entire or 3-cleft; indusia nearly entire.
Honshu (Kanto Distr. and Echigo Prov. westw.), Shikoku, Kyushu. Formosa (var.), China to the Himalayas.