形態特徵

• Rhizome short, suberect, scaly.
• Stipes tufted, green, 5-10 cm long, scaly near base; scales lanceolate, dark brown with pale irregular margins; fronds narrowly linear, 2-3 cm broad, bipinnate, 10-20 cm long including the prolonged rachis, 2-6 cm long; lateral pinnae cut to narrow linear sessile segments, some of which may be again divided; segments obtuse, about 1.5 mm wide, with a single veinlet, usually 3-5 segments on the basiscopic side.
• Sori linear, 2-3 mm long, one per segment.

分布

• 世界 : India, Vietnam, China, Japan and Korea.

引證標本

TAOYUAN: Chatienshan, Suzuki 4579; Peichatienshon, Kuo 2557. HSINCHU: Wuchihshan, Simada 4883; Chutung, Suzuki 20749. TAICHUNG: Tungshih, Simozawa 163. NANTOU: Hoshe, Huang 2142; Chitou, Huang 1515. CHIAYI: Mt. Alishan, Kawakami 3571.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG. 1994. Flora of Taiwan, second edition 1: 459. (Fl. Taiwan 2nd edit.)