形態特徵

• Rhizome short, suberect, clothed with narrow brown scales.
• Stipes maroon to black, scaly at the base; stipes of sterile fronds 4-9 cm long, of firtile fronds 15-30 cm long; lamina dimorphous, simple, the sterile narrowly ovate to oblong, 4-9 cm long, the base deeply cordate, apex rounded, thickly coriaceous, lower surface bearing scattered scales and hairs like those on the stipe, with smaller and more numerous hairs on the edge; the fertile usually about as long as sterile or shorter, the apical part narrower, oblong to triangular.
• Sori continuous along the veins, forming a network all over the lower surface.

分布

• 世界 : India, Ceylon, Burma, Indo-China, the Philippines and Malaysia.

引證標本

TAINAN: Chocheng, Huang s. n. 1973, Shieh & Tsai 6581*. KAOHSIUNG: Taliao, Kan s. n. 1931.

參考文獻

• SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 250. 1994.  (Fl. Taiwan 2nd edit.)