形態特徵

• Rhizome short, erect.
• Stipes few tufted, green, 5-20 cm long, densely scaly at base, sparingly scaly upwards; basal scales lanceolate, with marginal spines, upper scales subulate; fronds ovate, deltoid, tripinnatifid to 4-pinnatifid, anadromous, apex attenuate, pinnatifid; lamina shorter than stipes; pinnae and pinnules petiolate; finely dissected; segments about 3 mm long, 1-1.5 mm wide.
• Sori one per segment.

分布

• 世界 : Korea, Japan, the Ryukyus and South China.

引證標本

TAIPEI: Wulai, Chuang 2135. ILAN: Kueishan, Kuo 324. TAOYUAN: Chapanshan, Suzuki 4578. HSINCHU: Chingshan, Sasaki s. n. 1929. MIAOLI: Tahu, Chen 115. TAICHUNG: Pahsienshan, Chuang & Kao 2785. NANTOU: Hoshe, Huang 2190; Lushan, Kao 7957. CHIAYI: Fenchihu, Kuo 1618. TAINAN: Kuantzelin, Morimoto 735. PINGIUNG: Hengchun, Suzuki 6125. TAITUNG: Chungyen, Suzuki 19553. HUALIEN: Taroko, Suzuki 9877.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 460. 1994.  (Fl. Taiwan 2nd edit.)