形態特徵

• Rhizomes slender, long-creeping, 2-3 mm thick, rhizome scales appressed, peltate-lanceolate, acuminate, dark brown, with thin paler erose margins; c. s. of rhizome wiht 2 larger bundles and 4-5 smaller ones.
• Stipes longer than lamina, 5-12 cm long; stipe scales similar to rhizome scales. Lamina about twice as long as wide, 7-10 cm long, 3-6 cm wide ; first basiscopic pinnule directed outwards; undersurface with small scattered scales; veins free, widely forking.
• Sori at end of veins; indusia semi-circular, 0.7 mm wide.

分布

• 世界 : Northern India, Malaya, South China, Japan.

引證標本

CHIAYI: Pingchena, Ito 1243. PINGTUNG: Kueihu, Chen 1653.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and YANG, TAI-YING, Flora of Taiwan, second edition 1: 195. 1994.  (Fl. Taiwan 2nd edit.)