Japan Flora: Rhizomes short-creep­ing; stipes 15-40 cm. long, the sterile shorter than the fertile, slender, puberulous; scales lanceolate, 1-2 mm. long, pale brown, entire; blades lanceolate, 25-35 cm. long, 7-12 cm. wide, long-acuminate, not narrowed at base, the rachis with short spreading-hairs on upper side; pinnae firmly mem­branous, linear-lanceolate, 1-1.5 cm. wide, falcate, caudate, sessile, nearly glabrous on upper side, with prominent short ascending-hairs on the costas, very thinly and minutely pilose beneath and on margin; pinnules narrowly oblong, subentire; veins pinnate, the veinlets simple, not reaching the margin; sori in 2 series, median; indusia orbicular-reniform, about 0.5 mm. across, often unequal, erose to subentire.

Kyushu (Yakushima); rare. Formosa to Malaysia and Polynesia.