Japan Flora: Plant nearly glabrous; rhizomes long-creeping, with scattered brown ovate scales 2-3 mm. long; stipes 30-90 cm. long, 3-4 mm. across, lustrous, brownish, nearly naked; blades lanceolate to narrowly oblong, 30-70 cm. long, 10-25 cm, wide, abrupdy contracted at tip; pinnae 20-28 pairs, coriaceous to firmly chartaceous, broadly linear, 8-15 mm. wide, acuminate, cuneate at base, subsessile, subglabrous to short-pilose beneath, nearly glabrous above, with small ovate scales 0.5-1 mm. long on costas beneath, the terminal pinna similar to the lateral ones; segments broadly deltoid-ovate, mucronate; veins 6-8 pairs per segment, very close; sori submarginal ; indusia orbicular-reniform, 0.2-05 mm. across, nearly glabrous to short-pilose. Wet places near the sea;
Honshu (Izu Prov. and westw. in warmer parts), Shikoku, Kyushu. Ryukyus, Formosa, and China; widely distributed in the tropics and subtropics