形態特徵

• Stipes to 1.5 m tall, 5-6 mm across.
• fronds glabrous, somewhat glaucous beneath; with reflexed accessory branches at base of all ultimate forks, about or less than 1/2 as long as the ultimate branches; lower forks usually without accessory branches; axillary buds covered with hairs, without stipule-like bracts except on lowest forks; ultimate branches 12-18 cm long, 4-8 cm broad; veinlets in groups of 4-9 (usually 5-6); forks often unequal in length.
• Sori with 10-20 sporangia.

分布

• 世界 : Ceylon, India, Malaya, Indonesia.

引證標本

NANTOU: Chitou, Huang 1397. KAOHSIUNG: Tengchih, Kuo 2409. TAITUNG: Tawu, Chuang 2055. HUALIEN: Mukuashan, Kao 4205.

參考文獻

• DEVOL, CHARLES E. and SHIEH, WANG-CHUENG. 1994. Flora of Taiwan, second edition 1: 92. (Fl. Taiwan 2nd edit.)