形態特徵

• Stipes slender, 3-15 cm long, scales on basal stipes brown, lanceolate, ciliate on margin, those on rachis sparse, deltoid to lanceolate.
• Lamina pinnate, linear, 3-12 cm long, 7-20 mm broad, chartaceous, viviparous below rachis near apex, lower pinna reduced and strongly reflexed; pinna 4-10 mm long, 2-5 mm broad, subquadrate-oblong and slightly reflexed, short-stalked, margin serrate with long aristate at tip of each serration; small scales on undersurface of pinna deltoid with long tip.
• Sori terminal on veinlets; indusia very large, about 2 mm in diameter, margin undulate, imbricate, persistent.

分布

• 台灣 : at high altitude from 2,500 to 3,950 m.

引證標本

ILAN: Nanhutashan, Wang 1690. HSINCHU: Tapachienshan, Kuo 1763. MIAOLI: Chunghsuehshan, Wang 2200. TAICHUNG: Hsuehshan, Kuo 3988. NANTOU: Hohuanshan, Wang 1573. CHIAYI: Alishan, Kuoh 1378; Yushan, Masamune 3827. PINGTUNG: Daibuzan, Matuda 96. HUALIEN: Tyuosenzan, Fukuyama & Suzuki 16278.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 345. 1994.  (Fl. Taiwan 2nd edit.)