形態特徵

• Rhizome widely creeping, scales lanceolate, clathrate, dark-brown.
• Fronds simple, usually broadly lanceolate, 35-65 cm long, 2.5-7 cm wide, widest at middle, acuminate towards apex, decurrent towards base, margin entire, wingless, stipe very short; lateral main veins distinct, nearly parallel, areolae with included branched veinlets.
• Sori oblong or round, interrupted, borne in one row between the lateral veins.

分布

• 台灣 : Growing on rocks or soil.
• 世界 : Nepal, India, Vietnam, South China, the Philippines and the Ryukyus.

引證標本

TAIPEI: Wulai, Kuo 2260; Tatungshan, Kuoh 1560. TAICHUNG: Lishan, Feung & Kuo 4567; Tungshih, Simozawa 652. NANTOU: Chitou, Kuo 554; Sun Moon Lake, DeVol & Huang 1252. CHIAYI: Fengchihu, Kuo 1641. KAOHSIUNG: Shangping, Kuoh 4084*; Tenchih, Kuo 746. TAITUNG: Tawisjam, Matuda 423.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 475. 1994.  (Fl. Taiwan 2nd edit.)