形態特徵

• Rhizome stout, horizontal, ascending at apex; scales thin, entire, pale brown, ovate.
• Stipes 2-5 cm long, tufted, stramineous, scaly, densely so near base; lamina narrowly lanceolate, pinnate, 5-20 cm long, 1-3 cm wide; pinnae patent, petiolate, auricled on acroscopic side, 1-3 lower pairs slightly shortened, deflexed; margins serrate to crenate.
• Sori oblong to reniform, in one row on either side of costa excpt on auricle; indusia reniform, crossing a veinlet.

分布

• 世界 : Japan.

引證標本

TAIPEI: Wengshan, Do 120. ILAN: Taipingshan, Kao 4811. HSINCHU: Yuenyanghu, Hsu s. n. 1972. NANTOU: Wanghsiang, Shieh & Tsai 4084. CHIAYI: Mt. Alishan, Kao 3195. PINGTUNG: Chingshuiying, Hsu s. n. 1972. TAITUNG: Yakou, Tsai 4833; Mt. Ramaramani, Kao 6852. HUALIEN: Mt. Lintien, Feung 844; Mukuashan, Nakamura 4459.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 424. 1994.  (Fl. Taiwan 2nd edit.)