形態特徵

• Stipes deeply grooved, 25-45 cm long, dark at base, stramineous above; scales plentiful near base, narrowly lanceolate, dark brown to nearly black; upper stipe and rachis without scales; laminae pinnate, with a free terminal pinna; lateral pinnae 2-3 pairs, 18-35 mm wide, serrate or undulate on crenately lobed margins.
• Sori in 3-4 irregular rows on either side of costa; indusia round with narrow sinus, margin pale.

分布

• 世界 : China.

引證標本

TAICHUNG: Lishan, Feung & Kao 282. CHIAYI: Fengchihu, Kuo 1670. PINGTUNG: Adern, Suzuki s. n. 1932.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 321. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)