Japan Flora: Rhizomes short, ascending; stipes 15-40 cm. long; scales on stipes and rachis dark brown, chartaceous, linear-subulate, 5-10 mm. long, subentire, auriculatc at base; blades ovate, 20-45 cm. long, 13-30 cm. wide, bipinnate to tripinnatiparted; pinnae 9-10 pairs, the upper ones sessile to subsessile, the lower spreading, narrowly ovate-deltoid, 5-14 cm. wide, acuminate, short-petiolulate; pinnules broadly lanceolate to oblong-ovate, obtuse to acute, usually prominently short-pubescent on both sides especially on the costas, often lobulate to parted; ultimate pinnules oblong to elliptic, crenate; sori median or slightly nearer the costule than the margin of the ultimate pinnules; indusia orbicular-reniform, entire, glandular-ciliolate, about 0.3 mm. across.
Kyushu (Yakushima). Ryukyus, Formosa, and s. China.