形態特徵

• Rhizomes very slender, creeping, covered with black hairs.
• Fronds close, overlapping, not stalked, undivided, 3-6 mm long; sterile fronds almost circular or slightly elongated, rounded or cordate at the base, with very fine radiating veins and a short main vein; fertile fronds obovate, broadly or narrowly cuneate at the base, deeply bilobed at the apex, the main vein terminating in the sinus between the lobes and there bearing the ringle sorus.
• Indusia tubular, the mouth dilated like a trumpect; receptacles not protruding.

分布

• 台灣 : Growing on the mossy floors of forests.
• 世界 : Indo-China, Burma, Ceylon, the Ryukyus, Malaya, Micronesia and Solomon Islands.

引證標本

KAOHSIUNG: Terasoyama, Suzuki 6159. TAITUNG: Tawu, Shieh & Chen 25; Is. Lanyu, Shieh et al. 401.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG. 1994. Flora of Taiwan, second edition 1: 118. (Fl. Taiwan 2nd edit.)