形態特徵

• Rhizome short; scales 6-7 mm long, dark brown, lanceolate to a hair-tipped apex, denticulate, clathrate, lumen clear.
• Fronds elliptic, widest near or above middle, apex suddenly shortened, acute, gradually decurrent to base, wingless stipe none or very short; 1.5-3 cm wide, 10-30 cm long; costa none; apex sometimes forked.
• Sporangia following the veins, borne in a shallow groove; paraphyses linear, golden-brown, the terminal cell flat, or often coiled.

分布

• 世界 : the Ryukyus and south China.

引證標本

TAIPEI: Hsintien, Huang 1170; Wulai, Kao 90. ILAN: Nanhutashcm, Kao 8570. HSINCHU: Shihtoushan, Kuo 834. NANTOU: Kuantaochi, Kuo 2168. TAICHUNG: Sinshan, Huang 1292. CHIAYI: Tungpu, Tsann 39; Funchihu, Kuo 1683. TAINAN: Kuantzuling, Morimoto 725. KAOHSIUNG: Shanping, Kuoh 3394. PINGTUNG: Hengchun, Matuda 10. HUALIEN: Tienhsiang, Hsu 1189; Lintienshan, Chao & Feung 42.

參考文獻

• SHIEH, WANG-CHUENG, CHIOU, WEN-LIANG and DEVOL, CHARLES E., Flora of Taiwan, second edition 1: 254. 2004.  (Fl. Taiwan 2nd edit.)