Japan Flora: Rhizomes short-creeping or ascending, 2-3 mm. across, rather densely leafy, with blackish lustrous straight hairs about 2 mm. long; fronds tufted, erect, 15-30 cm. long; stipes wiry, terete, not winged, with blackish hairs especially toward the base, dark brown, 1-1.2 mm. across; blades dark green, narrowly ovate, 7-17 cm. long, 3.5-7 cm. wide, 3-pinnatiparted, the rachis wingless, with short scurfy hairs and scattered multicellular jointed hairs; pinnae rather numerous, broadly lanceolate, narrowed at tip; pinnules oblong, pinnately parted, the ultimate segments linear, 0.2-0.4 mm. wide, obtuse to subacute, suberect; indusia narrowly tubular, about 2 mm. long, shallowly bilobed at apex, the lobes deltoid-rounded, ciliolate. 

Kyushu (Yakushima); rare. Ryukyus, For­mosa to India and Malaysia.