Japan Flora: Rhizomes wiry, long-creeping, 1.5-2 mm. across, the scales scattered, pale brown, broadly lanceolate, 4 mm. long, long-acuminate; fronds deciduous, slender, glabrous, slightly glaucous; stipes interrupted, 12-20 cm. long, slender, pale green, dark brown at base; scales sparse, pale brown, thinly membranous, deciduous; blades chartaceous- membranous to membranous, ovate-deltoid, 10-15 cm. long, 8-12 cm. wide, acute, cordate, jointed with the stipe, pinnati- parted to -cleft, smooth; pinnules 7-12 pairs, oblong-lanceo­late, 1-1.5 cm. wide, horizontally spreading, obtuse to sub­acute, pinnately lobed, crenate-toothed, the lowest pinnules broadly lanceolate, to 2 cm. wide, more or less deflexed, slightly broadened on the posterior side; veins pinnately branched, the vcinlets simple or once forked; sori elliptic, 1-2 mm. long, sometimes oblong or rounded, in 2 series on the nearer pinnules, the costa in several somewhat irregular series.      

Honshu (Kanto to s. Kinki distr.). Shikoku. China (Philippines to New Guinea?)