形態特徵

• Rhizomes creeping.
• Fronds approximate; stipes 25-50 cm long, scaly at base, the scales pale, linear-lanceolate to ovate-lanceolate, hirsute on surface; laminae ovate-lanceolate, 50-100 cm long; pinnae about 10-12 pairs, subopposite, the lowest pinnae usually longest or nearly so; lateral veins in the lobes about 7 pairs, mostly forked.
• Sori on veinlets, exindusiate.

分布

• 台灣 : Growing in forests at 1,000-2,500 m mountains.
• 世界 : S. China, Himalayas, N. India, Tonkin, Malaysia and Polynesia.

引證標本

ILAN: Taipingshan, Suzuki 4010. TAOYUAN: Lalashan, Fukuyama 3989. HSINCHU: Kuanwu, Huang 6680. NANTOU: Chitou, Kuo 620. CHIAYI: Mt. Alishan, Kao 7481. KAOHSIUNG: Shanping, Kuo 1957. PINGTUNG: Chingshuiying, Hsu 13257. HUALIEN: Mukuashan, Nakamura 4380.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 401. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)