形態特徵

• Rhizome covered with reddish-brown ovate scales.
• Stipe 15-30 cm long, stramineous, scales dense at base, reddish-brown, subentire to ciliate, decreasing in size upwards; laminae narrowly lanceolate in outline, bipinnate, coriaceous, 15-30 cm long, 7-10 cm wide; pinnae sessile, pinnules obtuse, apex serrate, underside of costa and costales bearing small subulate scales.
• Sori borne near costa, all pinnae soriferous; indusia round, sinus narrow, margin wavy.

引證標本

HSINCHU: Tapachienshan, Kuo 1712. NANTOU: Hohuanshan, Kuo 386; Wushe, Kuo 403. CHIAYI: Mt. Yushan, Kao 5395; Mt. Alishan, Huang 7, Chao 48. KAOHSIUNG: Shihshan, Kuo 661.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 324. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)