形態特徵

• Rhizome prostrate; scales pale brown, lanceolate, hair-pointed.
• Stipes stramineous, grooved, 25-40 cm long; lamina lanceolate, bipimate to tripimnatifid, apex pinnatifid, gradually narrowed towards apex or suddenly shortened into an almost terminal pinna; pinnae petiolate, ascending, acuminate, distant, lower pairs 4-6 cm apart; basal pinnules usually opposite; pinnules acute, serrate, cut 1/2 way to costa; rachis and rachillae bearing scattered thin pale linear-lanceolate scales; without spines on upper surface; minutely puberulent on upperside at base of pinnules.
• All pinnae soriferous; indusia pale brown, erose, linear, curved, J-shaped or narrowly reniform, crossing the veinlets.

分布

• 世界 : Manchuria, China, Korea, Japan.

引證標本

TAIPEI: Wulai, Tsai 1741. TAOYUAN: Peichatienshan, Tsai 4402. NANTOU: Hoshe, Sasaki s. n. 1932; Sanlinchi, Shieh & Tsai 6530.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 424. 1994.  (Fl. Taiwan 2nd edit.)