形態特徵

• Rhizomes filiform, glabrescent; hairs plentiful on tip of rhizomes, young stipes and buds.
• Stipes 1-4 cm long, usually narrowly winged in the upper part; fronds lanceolate, bipinnatifid, 4-10 cm long and 2.5-4 cm wide; raclis hairy on lower surface, usually winged throughout, the wings entire; pinnae close, spreading or somewhat oblique, the largest with 4-6 lobes on each side; lobes forked or sometimes tripartite, the ultimate segments about 1 mm wide with sharply toothed edges.
• Sori on the acroscopic branch of a basal pinna-lobe, or on several lobes of the acroscopic side of the upper pinnae; indusia elliptical to oval, cleft to base, the margins entire or nearly or; receptacles protruding when old.

分布

• 台灣 : Growing in the moist places of forests.
• 世界 : the Philippines, Malaya, Borneo, Sumatra and Java.

引證標本

TAIPEI: Shanchia, Suzuki 5924; Wulai, Simozawa 825. NANTOU: Chitou, Kuo 447. TAITUNG: Hsinkan, Suzuki 19567. HUALIEN: Kueilin, Shieh 608; Mukuashan, Nakamura 4376.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 116. 1994.  (Fl. Taiwan 2nd edit.)