形態特徵

• Caudex short, erect.
• Stipes tufted, stramineous, or brownish at base, scaly; scales lanceolate, black, often with paler margins; fronds 35-70 cm long, 12-18 cm wide, usually bipinnatifid; basal pinnae largest, the first basiscopic lobes enlarged; lateral pinnae petiolulate, cut about 1/2 way to costa or nearly to costa; apical parts of fronds deeply pinnatifid with a decurrent base; venation usually free and forking, sometimes form a few areolae without included veinlets, each basiscopic veinlet arising from the costa; ctenitis hairs plentiful on upper sides of rachises and rachillae and on margins and upper surfaces of laminae.
• Sori round; indusia attached by sinus.

分布

• 台灣 : Growing in shaded montane forests of southern Taiwan.
• 世界 : China, India, Vietnam, Ceylon, Burma.

引證標本

KAOHSIUNG: Shanping, Kuo 1922, Kuoh 4002. PINGTUNG: Kosenpo, Matuda 79.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 286. 1994.  (Fl. Taiwan 2nd edit.)