形態特徵

• Very small; rhizomes creeping, subfiliform, covered with brown hairs.
• Fronds distant, sessile or with very short stipes, 5-15 mm long, digitately or pinnately divided; stipes wingless, black; laminae oblong or ovate 5-12 mm long, 4-8 mm wide, obtuse or rounded at apex, cuneate at base; ultimate segments linear, about 1 mm broad; submarginal veins continuous or sometimes interrupted, the false veinlets usuallly abent; the undersurface bearing many brown, glandular, clavate, one or two-celled hairs along the veins.
• Sori terminal on lobes; indusia obconic, winged, the mouth enlarged, often 2-lipped, the valves broadly rounded; receptacles slender, exserted.

分布

• 台灣 : Growing in the shaded places.
• 世界 : China, India, Thailand, Vietnam, Hongkong, the Ryukyus, Bonin Islands and Malaya.

引證標本

TAIPEI: Wulai, Kao 7565, Suzuki 20560; Yinghotong, DeVol 9071. CHIAYI: Fungchihu, Shieh & Chen 223. TAITUNG: Hsinkang, Suzuki 19431; Is. Lanyu, Kuo 2217, Huang & Kao 6443.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 107. 1994.  (Fl. Taiwan 2nd edit.)