形態特徵

• Stipes slender, 4-8 cm long, basal scales brown, narrowly lanceolate, 2-3 mm long, 0.5 mm broad, acuminate at apex, intermixed with fibrilose ones; rachis sparsely clothed with reddish-brown, linear to fibrilose scales.
• Lamina bipinnatifid to bipinnate, linear-lanceolate, 4-9 cm long, 7-13 mm broad, apex acute, herbaceous; pinna ovate or oblong, 3.5-7 mm long, 2-3 mm broad, apex mucronate, margin sparsely indistinctly serrate, auricles generally free; small scales on undersurface of pinna minute, Indian club-shaped, glaucous. Sori medial between margin and costa, dorsal on veinlets; indusia rather large, 1-1.5 mm in diameter, membraneous, excentrically peltate, margin irregularly lacerate.

分布

• 台灣 : only found in southern east part, very rare.
• 世界 : Japan.

引證標本

TAITUNG: Shiangyangshan, Wang 2090.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 342. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)