形態特徵

• Rhizome stout, erect; scales dark brown, very narrow, linear-lanceolate, denticulate.
• Stipes 45-60 cm long, stout, grooved, densely scaly on basal third; lamina pinnate, apex pinnatifid; lateral pinnae short petiolate, about 15 cm long by 4 cm wide, truncate at base, with a cuminate apex, margins very shallowly cut into broad crenate lobes.
• Sori medial or basal on veinlets, 3-6 mm long; indusia thin, narrow.

分布

• 世界 : Burma, Thailand, Vietnam, South China.

引證標本

NANTOU: Kuantaochi, Cheng 521, Tsai 10074; Wushe, Sasaki s. n. 1929.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 442. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)