形態特徵

• Rhizome erect; scales dark brown, clathrate, lumen clear, denticulate.
• Stipes 1-3 cm long, tufted; fronds deeply pinnatifid, 10-20 cm long, 1-2 cm wide; wing on either side of rachis about 1 mm wide; pinnae obtuse, lower pinnae gradually narrowed to a decurrent wing; venation hidden, midrib usually not visible; patent reddish-brown hairs abundant on stipe and rachis, not so plentiful on margins and surfaces.
• Sori submarginal, borne in cavities, 2-5 pairs on each side of pinna, at an oblique angle to the margin.

分布

• 世界 : Vietnam, Hainan and the Philippines.

引證標本

TAICHUNG: Tungshih, Simozawa 683. NANTOU: Hoshe, Kao 3910. TAITUNG: Tawushan, Suzuki s. n. 1930.

參考文獻

• SHIEH, WANG-CHUENG, CHIOU, WEN-LIANG and DEVOL, CHARLES E., Flora of Taiwan, second edition 1: 530. 1994.  (Fl. Taiwan 2nd edit.)