形態特徵

• Caudex short, erect, covered with overlapping leaf bases.
• Stipe stout, scaly, especially so at base; scales large, reddish-brown, lanceolate, entire; c. s. of stipe with 2 linear bundles; fronds large, monomorphic, bipinnatifid; pinnae linear, sessile, cut 1/2 way to costa; segments on either side of costa of equal length; median pinnae 8-18 cm long, 1-2 cm wide.
• Sori oblong, sunken; indusia discrete, brown, linear, opening towards costa and costules.

分布

• 台灣 : locate at 500-1,500 m altitude mountains, usually growing at ridge or somewhat exposed slope, sometimes at shaded places.
• 世界 : Korea, Japan, China and Vietnam.

引證標本

TAIPEI: Wulai, Suzuki 8971. TAICHUNG: Wuling, Huang 7041. NANTOU: Kuantaochi, Kuo 2089. KAOHSIUNG: Buizan, Matuda 187. PINGTUNG: Hengchun, Sasaki s. n. 1935. TAITUNG: Chingshuiyin, Chuang, Chao & Kao 3455; Kutzulunshan, Kuo 1286.

參考文獻

• CHIOU, WEN-LIANG, SHIEH, WANG-CHUENG and DEVOL, CHARLES E., Flora of Taiwan, second edition 1: 275. 2002.  (Fl. Taiwan 2nd edit.)