形態特徵

• Stipes 4-9cm long, densely covered with large, pale brown or stramineous scales which extend up the rachis to apex of lamina, borne along costa and on both surfaces.
• Lamina pinnate to bipinnatifid, 7-15cm long, 12-20mm broad, linear, subcoriaceous; pinna 6.5-10mm long, 3.5-6mm broad, apex round, base slightly auriculate, margin crenate and revolute, undersurface entirely hidden by pale scales.
• Sori dorsal on veinlets, exindusiate.

分布

• 台灣 : in alpine region, very rare.
• 世界 : NW. India, Nepal and W. China.

引證標本

ILAN : Nanhutashan, Kuo 5154, Wang et al. 3764.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 339. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)