形態特徵

• Rhizomes short-creeping, stout, with narrowly linear, attenuate scales; margins of scales with projecting arm, especially so near base.
• Stipes of sterile fronds terete, approximate, 6-12 cm long, sparingly scaly near base, narrowly winged at upper portion; laminae elliptic, 20-30 cm long, 4-6 cm wide, short-acuminate at apex, cuneate at base and decurrent on upper stipes; veins free, hurdly visible.
• Fertile fronds with longer stipes and narrower laminae than the sterile.
• Sori acrostichoid.

分布

• 台灣 : Growing on mossy tree trunks.
• 世界 : Indo-China, Vietnam, Malay Peninsula, the Philippines, Malaysia and Indonesia.

引證標本

PINGTUNG: Hengchun, Kudo & Mori 1307. HUALIEN: Antung, Kao 6149.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 359. 1994.  (Fl. Taiwan 2nd edit.)