形態特徵

• Stipes 3-9 cm long, dark brown or sometimes blackish purple, glossy, scaly, scales lanceolate to narrowly lanceolate, light brown, thin, intermixed with linear or filiform ones.
• Lamina bipinnatifid, linear-lanceolate, 5-18 cm long, 1-2.8 cm broad, subcoriaceous; pinna deltoid-ovate, 5-14 mm long, 4-7 mm broad, segments obtuse at apex, with spinose-serrate or crenate-serrate margin; small scales on undersurface of pinna narrowly lanceolate, remotely serrate on margin.
• Sori dorsal on veinlets, chiefly on upper half of frond; indusia large, orbicular-reniform, margin undulate or nearly entire, rarely fimbriate.

分布

• 台灣 : at high altitude.
• 世界 : North India, Sikkim, Nepal, China and Japan.

引證標本

ILAN: Nanhutashan, Wang 1719. HSINCHU: Tapachienshan, Hsu 12172, Wang 1299. TAICHUNG: Hsuehshan, Huang & Shieh 7246. NANTOU: Hohuanshan, Kuoh 11157. CHIAYI: Yushan, Hsu 6299. HUALIEN: Tyuosenzan, Fukuyama & Suzuki 15133.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG. 1994. Flora of Taiwan, second edition 1: 342. (Fl. Taiwan 2nd edit.)