Japan Flora: Rhizomes short-creeping, densely scaly, 2-3 mm. across, the scales brown, broadly ovate, 2(-2.5) mm. long, abruptly contracted at the tip, linear- attenuate; fronds evergreen, approximate, 15-30 cm. long; stipes 0.5-3 cm. long; blades thinly coriaceous, lanceolate to narrowly so, broadest below the middle, acuminate to caudate, often gradually attenuate at the base, deep green above, paler beneath, glabrous or thinly scaly while young along the lower half of the costa beneath; costa slender; sori mostly in 2 series, much nearer the costa than the margin, sometimes with an isolated pair on the apical tail of blade.                  

Honshu (s. Kinki Distr.), Shikoku, Kyushu. Formosa and China.