形態特徵

• Fronds up to 1.5 m tall; texture subcoriaceous; stipe and rachis grooved above; pinnae lanceolate, petiolate, articulate, 15-25 cm long, about 2 cm broad, the margins coarsely serrate; veins in groups with anterior set of veinlets repeatedly forking, running to the sinus; fertile pinnae dark brown, basal or medial.
• Sporangia borne in clusters on the pinna-axis.

分布

• 台灣 : Growing along stream banks, on hillsides and forest floors.
• 世界 : the Philippines, China, Taiwan, the Ryukyus and Japan.

引證標本

TAIPEI: Fulung, Kuo 264; Hsintien, DeVol 8352. ILAN: Suao, Kuo 2680. MIAOLI: Shantaowenchuen, Kuoh 275. TAICHUNG: Taken, Shieh s. n. 1967. NANTOU: Chingshuikou, Huang 375; Lienhuachih, Shieh & Tsai 3475*. CHIAYI: Shiutao, DeVol 7203. TAINAN: Kuantzuling, DeVol 8187. TAITUNG: Chihpen, Shieh 1685; Is. Lanyu, Kuo 2208, Shieh 462. HUALIEN: Tienshiang, Kao 7837; Panshih to Lungchen, Shieh 839.

參考文獻

• SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 80. 1994.  (Fl. Taiwan 2nd edit.)