形態特徵

• Caudex short, erect, sterile fronds 30-70 cm tall, 8 to 16 cm wide; stipes 8 to 23 cm long, without aerophores at base, narrowly winged on ridges; c. s. triangular both at base and above.
• Fronds deeply pinnatifid or pinnate, the apex of frond pinnatifid, the basal one or more pairs of pinnae slightly shortened, often much deflexed; lateral pinnae all adnate, widely spreading. Fertile fronds 50 to 70 cm tall; stipes 28 to 45 cm long, fertile pinnae 3 to 5 cm long, all except uppermost pairs petiolate; pinnae often coiled and contorted when old and dry.

分布

• 世界 : China.

引證標本

TAIPEI: Mt. Sendan, Suzuki 7415. ILAN :Ssulin, Kuoh s. n. 1971. TAOYUAN: Peichationshan, Kuo 2407. MIAOLI: Penglaisham, Hsu 12565. TAICHUNG: Anmashan, Kao 4449. NANTOU: Chitou, Huang 1461; Kuantaochi, Yang 149. CHIAYI: Mt. Alishan, Kawakami 1493. KAOHSIUNG: Tengchih, Kuo 2407. PINGTUNG: Kutzulunshan, Kuo 1285.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and LU, CHIN-YI, Flora of Taiwan, second edition 1: 134. 1994.  (Fl. Taiwan 2nd edit.)