形態特徵

• Rhizome erect; scales narrowly lanceolate, brown to nearly black.
• Stipes tufted, stramineous, 12-18 cm long, scaly at base; lamina ovate, 25-30 cm long, 10-14 cm wide, bipinnate; pinnae patent, or falcate, 5-9 cm long, lowest pair slightly shortened; pinnules oblong, obtuse or acute, basal pair free, others mostly adnate.
• Sori linear, curved; indusia simple, or crossing a veinlet, J-shaped, brown, thin, margin erose.

分布

• 世界 : China.

引證標本

TAIPEI: Kueishan, Sasaki s. n. 1932. ILAN: Taipingshan, Suzuki 942*. TAOYUAN: Lalashan, Simoxawa 375. TAICHUNG: Pahsienshan, Simozawa 319. NANTOU: Shieh & Tsai 2040. CHIAYI: Mt. Alishan, Suzuki 19372. KAOHSIUNG: Tienchih, Tsai 9646. HUALIEN: Tarokotashan, Suzuki 9667; Tyuosenzan, Suzuki 16155.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 416. 1994.  (Fl. Taiwan 2nd edit.)