形態特徵

• Rhizomes long-creeping, slender, rather sparsely hairy, the hairs pale.
• Stipes slender, dark, wiry, not winged, slightly hairy, 2-10 cm long; fronds distant, bipinnatifid to tripinnatifid, ovate; laminae 3-15 cm long, 12-30 mm wide; rachis winged throughout, the costae wide and thickened, bearing scattered hairs; pinnae oblique, all segments relatively long and narrow, inclined at a small angle to each other and to the costa.
• Sori borne on basal acroscopic segments of the pinnae; indusia tubular with a narrow base, the sides winged, the apex truncate or slightly dilated; receptacles extruded.

分布

• 台灣 : Growing in places of forests.
• 世界 : India, Ceylon, Thailand, Vietnam, Hainan, the Philippines, Malaya, Indonesia and Polynesia.

引證標本

TAIPEI: Kuaishan, Suzuki 18189. TAITUNG: Kuanshan, Tsai 9653*; Lachialachiashan, Kao 6871.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 122. 1994.  (Fl. Taiwan 2nd edit.)