Japan Flora: Scales on rhizomes and stipes lanceolate to linear-lanceolate, 4-6 mm. long, about 1 mm. wide, brown, gradtully attenuate, very sparsely long-ciliate; stipes 3-14 cm. long in the sterile blades or slightly longer in the fertile, sparsely scaly in upper part, rather densely so at base; sterile blades 5-15 cm. long, 2-4 cm. wide, prominently white-carti- lagineous on margin, obtuse or subacute, acute to short-acumi­nate at base, slightly decurrent on the stipe; fertile fronds usually shorter than the sterile but the stipe longer.  Rocks and trees.

Honshu (Izu Isis, and s. Kinki Distr.), Shikoku, Kyushu (Yakushima); rare. Ryukyus.