形態特徵

• Stipes 5-15 cm long, scales sparse, brown, lanceolate, acuminate at apex, truncate at base, small scales on rachis linear.
• Lamina pinnate, 15-30 cm long, 2.5-6 cm broad, linear-lanceolate, firm-chartaceous; pinna 1.5-3 cm long, 7-10 mm broad, the length about two times or less the width, rhombic to falcate, apex obtuse to acute, margin serrate, auricles round or rarely acute, lower edge curved at base; small scales on undersurface of pinna branched, clavate with gland-like cell at the tip.
• Sori terminal on veinlets; indusia small, margin subentire or undulate, caducous.

分布

• 台灣 : confined to the southern part at medium altitude, rare.
• 世界 : Nepal, Bhutan, India and the Philippines.

引證標本

PINGTUNG: Peitawushan, Wang 2155. TAITUNG: Kwanshan 34 forest compt., Shieh & Tsai 1972.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG. 1994. Flora of Taiwan, second edition 1: 346. (Fl. Taiwan 2nd edit.)