形態特徵

• Rhizomes short creeping, stout.
• Stipes about 20 cm long, not winged, with lanceolate, puberulent, brown scales at the base; fronds ovate-deltoid, bipinnatifid with 1-3 pairs of free lateral pinnae below the pinnatifid apical portion; texture thin; stipes and rachises stramineous, covered with small ctenitis hairs, the costae, veins and both surfaces and margins also bearing ctenitis hairs; veins anastomosing, with included veinlets; veins along the costa forming one row of costal arches.
• Sori usually borne on the ends of included veinlets, sometimes on a plexus of veinlets; indusia thin, brown, reniform, puberulent.

分布

• 台灣 : Growing in forests at low lands, somewhat rare.
• 世界 : Southwest China, Himalayas, India, Ceylon, Burma, Thailand, Malaysia, Madagascar and tropical Africa.

引證標本

TAICHUNG: Tungshih, Simozawa 194. CHIAYI: Fenchihu, Feung & Kao 249. KAOHSIUNG: Shanping, Kuoh 4082.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG. 1994. Flora of Taiwan, second edition 1: 296. (Fl. Taiwan 2nd edit.)