Caudex erect, usually short, sometimes to 1 m tall. Stipes 70-100 cm long, 6-10 mm wide, purplish to black, polished; basal scales abundant, lanceolate, brown, with pale margins, the base broadened, the apex long attenuate; fronds 1-2.5 m long, tripinnatifid, broadly deltoid; pinnae 35-60 cm long, pinnules 6-10 cm long, short stalked; veinlets free, simple, in 4-5 pairs; ultimate segments serrate; scales on lower surface of rachillae and costae sparse, small, pale brown; upper surface of rachis, rachillae and costae pubescent. Sori medial on veinlets, the paraphyses aboundant.
Work in progress
Species Information currently being revised!
Native to, China, Japan, Taiwan
Japan, the Ryukyus, Taiwan and China