Japan Flora: Rhizomes short, erect; fronds tufted, obliquely spreading; blades coriaceous, lustrous, vivid-green, scarcely paler beneath, simple, linear-oblanceolate, 70-100 cm. long, 7^10(-12) cm. wide, en­tire or nearly so, abruptly acute to short-acuminate, or grad­ually narrowed at both ends, somewhat decurrent on the short stipe, scaly beneath while very young; stipes very short to nearly obsolete, winged in upper portion, the scales at base firmly membranous, gray-brown, linear-lanceolate, 2-2.5 cm. long, 3-5 mm. wide, acuminate, loosely toothed on margin toward tip; costa rather stout, flat on upper side, raised and obtuse beneath, often brownish toward base, the veins often once forked near base, spreading, straight, close, connected with a marginal vein; sori occupying nearly the whole length of the veinlets on upper half of the fronds; indusia entire, about 0.7 mm. wide. Tree-trunks.

Honshu (Hachijo Isl. and Kii Prov.), Shikoku, Kyushu. Ryukyus to Formosa