形態特徵

• Rhizome short; scales lanceolate, entire, light brown.
• Fronds clustered, linear, obtuse at apex, 3-5 mm wide, 3-5 or more cm long, margins undulate, glabrous on stipe and both surfaces, winged almost to base, stipes very short; texture herbaceous; venation not clear, hydathodes prominent on upper surface.
• Sori oval to round, costal; sporangia setose or without hairs.

分布

• 世界 : the Philippines, Malaysia, Sumatra, Borneo, Java, New Guinea and Australia.

引證標本

TAIPEI: Agyoku, Suzuki 14832. PINGTUNG: Tahanshan, Yang 1988. TAITUNG: Chinshuiying, Chiou 12954.

參考文獻

• SHIEH, WANG-CHUENG, CHIOU, WEN-LIANG and DEVOL, CHARLES E., Flora of Taiwan, second edition 1: 526. 1994.  (Fl. Taiwan 2nd edit.)