形態特徵

• Rhizome 4 mm thick; covered with discolorous, imbricating, ovate scales, margins somewhat irregular, lumina all clear.
• Stipes stramineous, 1.5-2 cm long, 5-10mm apart; fronds herbaceous, elliptic, 10-15 mm wide, 15-25 cm long, widest at middle or in lower 1/3, with a few ovate, clathrate scales along costa on underside; venation visible.
• Sori round, nearer costa than margin.

分布

• 世界 : northern India, China.

引證標本

ILAN: Nanhutashan, Kao 8577, Suzuki s. n. 1922. TAICHUNG: Hsiao-hsuuehshan, Liu et al. 288. CHIAYI: Mt. Morrison, Suzuki 13160.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 492. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)