形態特徵

• Stipes 8-30 cm long, stipes and rachis densely scaly, stipes scales bright brown, broadly ovate to lanceolate, margin lacerate, apex acuminate, rachis scales chiefly linear to filiform, sometimes intermixed with lanceolate ones.
• Lamina bipinnate, lanceolate, 10-50 cm long, 3-22 cm broad, apex acuminate, rigid herbaceous or chartaceous; pinna linear, 2-11 cm long 6-16mm broad, acuminate at apex, cuneate at base; pinnules 3-12 mm long, 1.5-4 mm broad, rhomboidal-ovate, acute at apex; small scales on undersurface of pinna aciculate.
• Sori terminal on veinlets, medial to costa; indusia round, entire on margin, persistent.

分布

• 台灣 : in mountainous region from 1,000 to 2,500 m, very common.

引證標本

TAIPEI: Tatungshan, Kuo 1387; Kaboshan, Suzuki 12958. ILAN: Nanhutashan, Kao 8564; Yuanyang Lake, Kuo 1529. TAOYUAN: Peichatienshan, Kuo 2659. HSINCHU: Tapachienshan, Huang 5934; Kwanwu, Kuo 3530. TAICHUNG: Anmashan, Wang 2213. NANTOU: Yunhai to Tienchih, Liu 1442. CHIAYI: Alishan, Wang 1837. KAOHSIUNG: Shihshan, Huang 6480. PINGTUNG: Peitawushan, Wang 2146. TAITUNG: Shiangyangshan, Wang 2088. HUALIEN: Chingsuishan, Nakamura 3576; Mukuashan, Nakamura 4537.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 346. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)