Japan Flora: Stipes 25-30 cm. long, straw-colored, with 3 kinds of scales, the largest rather sparse, chestnut-brown, spreading, narrowly ovate, 10-12 mm. long, abruptly acuminate, lustrous, sparsely ciliolate, subentire，often very narrowly hyaline-margined, scales of intermediate size very sparse, linear-lanceolate, 12-15 mm. long, long-filiform at the tip, the smallest ones very nu­merous and dense, membranous, hairlike, pale rufous-brown, 2-4 mm. long, ciliate at base, deflexed to spreading; blades thick-herbaceous, narrowly oblong-ovate, 40-45 cm. long, 12- 15 cm, wide, acuminate; scales on rachis dense, hairlike, mixed with larger, linear-lanceolate darker ones on lower half; pinnae sessile, 15-17 mm, wide; pinnules spreading, oblong-ovate, 5- 10 mm. long, 3-5 mm. wide, acute with a short spine at the tip, auricled at base on anterior side, with bairlike scales be­neath, spine-toothed; sori in 2 series on the pinnules, erose- fimbriate, 0.2-0.5 mm. across.

Kyushu (Sakurajima in Satsuma Prov.); rare.