形態特徵

• Caudex short, erect. Stipes to 50 cm long, tufted, erect, stout, shining, glabrous (except at base); c. s. of lower stipe with 6 bundles.
• basal scales narrowly lanceolate, dark brown with pale thin margins; stolons and roots abundant; lamina pinnate, 1-2 m long or more; pinnae lanceolate, 8-18 cm long, 1.5-2 cm wide, acuminate at apex, truncate or rounded at base; basal pairs of pinnae gradually shortened; margins minutely serrulate, teeth remote; veins free, once or twice forked, ending in hydathodes near the margin; rachis glabrous or nearly so. Sori round,about 2 mm from margin; indusia round, sinus narrow.

分布

• 世界 : Pantropic in distribution. Common in Malaya, the Philippines, the Ryukyus.

引證標本

TAIPEI: Nankan, Feung 108; Wulai, Chuang 2142. ILAN: Suao, Masamune s. n. 1938. MIAOLI: Lion's Head Hill, Liu s. n. 1953. NANTOU: Puli, Kudo & Mori 2353. PINGTUNG: Nanjenshan, Kao 8338; Hsiaoliuchiu, Hosokawa 1584. TAITUNG: Is. Lanyu, Hsu 9044, Kuo 2197.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 201. 1994.  (Fl. Taiwan 2nd edit.)