形態特徵

• Rhizome long-creeping, densely clothed with minute scales.
• Stipes up to 20 cm long, stramineous or brownish, round beneath and sulcate above; lamina up to 50 cm long, linear-lanceolate, gradually attenuate to the acuminate apex, simply pinnate, glabrous on both surfaces, herbaceous, pinnae alternate, short-stalked, the lower remote, the rest close together; sterile pinnae crenate on upper side.
• Sori marginal, one in each lobe, confluent, terminating 2-4 veins; indusia slightly undulate, reaching to the apex of lobe or nearly so.

分布

• 世界 : Central and S. China, Himalayas, India, Japan, Malay Isls., N. Australia and N. Africa Isls.

引證標本

TAIPEI: Chishingshan, Kuo 471. ILAN: Taipingshan, Shieh 374. NANTOU: Chitou, Chen 377; Lienhuachi, Shieh s. n. 1969. CHIAYI: Mt. Alishan, Shieh 103. TAITUNG: Chihpen, Shieh 1718.

參考文獻

• SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 177. 1994.  (Fl. Taiwan 2nd edit.)