形態特徵

• Stipes 15-40 cm long, pale brown, scaly at base; scales lanceolate, attenuate, rufo-brown.
• upper stipe with small linear-lanceolate scales; lamina broadly ovate, 4-pinnatifid; pinnae, pinnules and segments petiolate; rachis and rachillae slender; texture thin, glabrous above, with small clavate or linear, glandular hairs beneath; dorsal rachis groove open to receive rachillae grooves; veins free, forking.
• Sori round; indusia oval or reniform.

分布

• 世界 : Himalayas, China and Japan.

引證標本

NANTOU: Nengkaoshan, Sasaki s. n. 1929; Wushe, Kuo 411*. CHIAYI: Tungpu, Hsu& Kuoh 7334; Mt. Morrison, Suzuki s. n. 1933.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 418. 1994.  (Fl. Taiwan 2nd edit.)