形態特徵

• Rhizome short, 2-3 cm thick, densely covered with long, thin, soft, narrowly linear, reddish-brown scales having ciliate margins.
• Fronds 50-60 cm long or longer, sessile, subcoriaceous; base humus-collecting, usually expanded; median portion deeply pinnatifid, margin of lobes entire, thickened; terminal third of frond usually fertile, pinnae constricted nearly to costa between the small beadlike lobes.
• Sporangia covering the bead -like lobe.

分布

• 台灣 : On tree trunks.
• 世界 : the Philippines.

引證標本

PINGTUNG: Nanjenshan, Kuo 1979*; Mutan, Simozawa s. n. 1937; TAITUNG: Sawada s. n. 1909 HUALIEN: Chingshuishan, Shimizu & Kao 11946.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 470. 1994.  (Fl. Taiwan 2nd edit.)