Japan Flora: Rhizomes slender, creeping, about 2 mm. across, rather densely scaly at least toward tip, the scales rather thin, clathrate, ascending to  obliquely spreading, lan­ceolate, (2-)2.5-3 mm. long, acuminate-attenuate, rounded to cordate at base, toothed; fronds evergreen, remote, 5-15 cm. long, glabrous; stipes 3-6 cm. long; blades thinly coriaceous, narrowly lanceolate to broadly linear, 5-10 cm. long, 3-5 mm. wide, usually rather abruptly narrowed at both ends, the mar­gins very slightly recurved, entire, paler beneath; costa raised on both sides or often scarcely so above, the veins invisible; sori round, on upper part of blade. Rocks near seacoast;

Honshu (Tokaido and s. Kinki Distr.), Shikoku, Kyushu; rare. Ryukyus.