形態特徵

• Stipes 12-27 cm long, stipes and rachis clothed with two types of scales, one blackish, ovate-lanceolate, with pale-colored margin, the other brownish, linear-lanceolate.
• Lamina bipinnate, lanceolate, 17-50 cm long, 8-17 cm broad, apex acuminate, subcoriaceous; pinna linear-lanceolate, 4-9 cm long, 1-2 cm broad, apex acuminate; pinnules 6-12 mm long, 3-5 mm broad, rhomboidal-ovate, acute at apex, spiny serrate on margin; small scales on undersurface of pinna aciculate.
• Sori terminal on veinlets, medial to costa; indusia small, fimbriate on margin, persistent.

分布

• 台灣 : in mountainous region throughout the island.
• 世界 : Nepal, Bhutan, India, China and Japan.

引證標本

ILAN: Nanhutashan, Kao 5176. HSINCHU: Tapachienshan, Kuo 1729. TAICHUNG: Anmashan, Wang 2212. NANTOU: Hohuanshan, Kuo 918. CHIAYI: Alishan, Suzuki 18136; Yushan, Wang 1916. KAOHSIUNG: Shihshan, Kuo 679. PINGTUNG: Peitawushan, Wang 2196. TAITUNG: Lisung to Shiangyang, Wang 2060. HUALIEN: Konankuan to Tayuling, Hsu & Kuo 7144.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG. 1994. Flora of Taiwan, second edition 1: 347. (Fl. Taiwan 2nd edit.)