形態特徵

• Rhizome short-creeping to suberect.
• Stipes tufted, 6-15 cm long, dark brown, dull not glossy, sparsely scaly; scales nearly black, narrowly lanceolate, attenuate, subentire; laminae pinnate, narrowly lanceolate, 15-30 cm long, 3-5 cm broad, apex pinnatifid; pinnae more or less rhomboidal, petiolate, lowest pair sometimes slightly shorter than those above it, truncute at base, lower margin entire, upper margin and apex obliquely incised; veins dichotomously forking, costa inconspicuous or lacking; rachis sparingly scaly.
• Sori 5-10 mm long.

分布

• 世界 : Himalayas, China, Japan and the Philippines.

引證標本

ILAN: Taipingshan, Mayebara 2048. TAICHUNG: Pahsienshan, Masamune 1313. NANTOU: Meifeng, Kuo 890. CHIAYI: Mt. Alishan, Kuo 3203.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG. 1994. Flora of Taiwan, second edition 1: 459. (Fl. Taiwan 2nd edit.)