Japan Flora: Rhizomes short, erect to ascending, often clothed in the remains of old stipes, the scales rather scanty, lanceolate, about 1 mm, long, purple- Tbrown, acuminate; fronds smooch, rather small; stipes crowded, 2-8 cm. long, 0.6-1 mm. across, glabrous, lustrous, deep purple-brown; blades narrowly lanceolate, 7-15 cm. long, 15-3.5 cm. wide, the rachis dark purple-brown, lustrous, slender, often prolonged and gemmate at the tip; pinnae thinly herbaceous, squarrose-lanceolate to semideltoid, 7-15 mm. long, 3-5 mm. wide, obtuse, obliquely cuneate at base, sessile, with scattered coarse obtuse teeth, entire on posterior margin of lower portion, the costa slender, the veins few, simple to once forked; sori few on a pinna; indusia 1-2 mm. long         

Honshu (Hokuriku to Kinki and Chugoku Distr.), Shikoku, Kyushu, Ryukyus