形態特徵

• Rhizomes stout, suberect, scaly at apex.
• Fronds approximate; stipes 7-22 cm long, scaly at base; laminae lanceolate, 13-24 cm long, 3-5 cm wide; lowest pinnae longest, 2.5-3.5 cm long, distinctly longen than the higher; pinnae lanceolate or ovate, 1.2-2.5 cm long, seseile, shallowly lobed to entire; all the lateral veins in the lobes free, the lowest pair meeting the margin at sinus.
• Sori elongate along the lateral veins, exindusiate.

分布

• 台灣 : Growing in moist forests, usually along stream banks or ditches at 1,000-2,500 m mountains.
• 世界 : S. China.

引證標本

TAIPEI: Hsiungkunshan, Simozawa 365. ILAN: Taipingshan, Suzuki 338. TAOYUAN: Lalashan, Kuo 4328*. HSINCHU: Kuanwu, Kuo 3501. NANTOU: Jenlun, Tsai 10405. CHIAYI: Mt. Alishan, Hsu & Kuoh 6821. KAOHSIUNG: Shihshan, Kuo 2434. TAITUNG: Shianyang, Kuo 2785. HUALIEN: Chungyangchienshan, Suzuki 16233.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 382. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)