形態特徵

• Rhizomes creeping, thick, covered with narrowly lanceolate, hair-pointed, dark brown, entire or slightly denticulate scales.
• Stipes 15-30 cm long, approximate, light brown, densely scaly near base, with scattered scales upwards; fronds 4-pinnatifid, catadromous above basal pinnae; first basiscopic pinnules of lowest pinnae much enlarged; stipes, rachises, rachillae and costae densely covered; stipes, rachises, rachillae and costae densely covered with brown ctenitis hairs, both surfaces densely pubescent; veins free and forked; round or oblong glandular hairs scattered along costae and veinlets.
• Sori round, dorsal on the veinlets; indusia reniform, brown, sometimes fugacious.

分布

• 台灣 : Growing on forest floors.
• 世界 : S. India, Ceylon, the Philippines, Sumatra, Bali, Queensland, New Cale. donia and Fiji.

引證標本

TAICHUNG: Tungshih, Simozawa 676. NANTOU: Lushan, Kuo 904*; Wushe, Suzuki 6495, Simozawa s. n. 1927.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 290. 1994.  (Fl. Taiwan 2nd edit.)