形態特徵

• Rachis twining, glabrous, bearing very short pubescent primary branches (3-8 cm long), dormant bud covered with pale brown hairs; secondary branches 3-8 cm long, pubescent, opposite; sterile pinnules 3-5 lobed, central lobe often much elongated, pubescent along costa and veins, pinnules not articulate at base; fertile pinnules short, much contracted, deeply lobed.
• Sporangia borne on the margin of the finger-like lobes.

分布

• 世界 : India, Australia, the Philippines, China, Japan and Korea.

引證標本

TAIPEI: Chingmei, Kao 3392; Shulin, Do 735*. ILAN: Is. Kueishan, Kuo 1579. HSINCHU: Shihtoushan, Kuo 837. TAOYUAN: Suzuki 6056. TAICHUNG: Pahsienshan, Chuang 2800. NANTOU: Chitou, Kuo 1859; Sun Moon Lake, DeVol 1227. CHIAYI: Chiayi City, DeVol 6026; Wufeng, Kuoh 3937. TAINAN: Kuangtzuling, Hsieh 5. KAOHSIUNG: Liukuei, Hsu 9314. PINGTUNG: Nanjenshan, Hsu 7831; Hsiaoliuchiu, Hosokawa 1555. TAITUNG: Chihpen, Kao 6814; Is. Lanyu, Kuo 2215. HUALIEN: Chingshuishan, Shimizu 11617.

參考文獻

• DEVOL, CHARLES E. and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 84. 1994.  (Fl. Taiwan 2nd edit.)