形態特徵

• Stipes 3-15 cm long, light yellow except blackish basal part, densely scaly throughout; scales on stipes ovate to linear, margin irregularly ciliate-denticulate, apex acuminate, rufo-brown or sometimes blackish; scales on rachis linear-lanceolate with ciliate margin, brown.
• Lamina bipinnatifid to bipinnate, 7-20 cm long, 2.4-4.5 cm broad, oblong-lanceolate, acuminate at apex, thick coriaceous; pinna 1-3 cm long, 6-13 mm broad, the smaller anguste-triangular, triangular or subrhomboidal, the larger again pinnate, stiffly spinescent on margin; small scales on undersurface of pinna linear, often gland-like at apex.
• Sori dorsal on veinlets, medial to costa; indusia large, undulate on margin, persistent.

分布

• 台灣 : in high altitudes throughout the island.
• 世界 : India, Sikkim, Nepal, and West China.

引證標本

ILAN: Nanhutashan to Chungyuanchienshan, Hsu 924. HSINCHU: Tapachienshan, Kuo 1791. NANTOU: Nenkaoshan, Matuda s. n. 1919; Hohuanshan, Wang 1616. CHIAYI: Yushan, Suzuki s. n. 1933. KAOHSIUNG: Yako, Wang 2041. TAITUNG: Shiangyangshan, Wang 2067. HUALIEN: Chingshuishan, Nakamura 5327.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG. 1994. Flora of Taiwan, second edition 1: 336. (Fl. Taiwan 2nd edit.)