Japan Flora: Rhizomes ascending to erect; stipes 10-25 cm. long, rather slender, straw-colored, moderately scaly; scales membranous, linear to narrowly oblong, 4-10 mm. long, abruptly acuminate, obsoletely toothed, sometimes with a dark brown band in the center; blades thick-chartaceous, lance­olate or oblanceolate, 40-70 cm. long, 12-20 cm. wide, acumi­nate, slightly narrowed at base, the rachis with narrow, spread­ing, ciliate scales; pinnae 20-30 pairs, the median linear-lanceo­late to broadly linear, 1-2 cm. wide, acuminate, truncate or very broadly cuneate at base, horizontally spreading, sessile or very short-petiolulate, toothed and lobulate, with linear to filiform scales on costas (and costules) beneath, base of veins on upper side with a fleshy short spinelike hair; veins single in each lobule, subpinnate, the veinlets simple; lowest pinnae slightly deflexed, deltoid-lanceolate, 3-5 cm. long, 1-1.5 cm. wide, acute; sori on both sides nearer the margin than to the costa; indusia orbicular-reniform, about 0.5 mm. across, entire.

Honshu, Shikoku, Kyushu. China.