形態特徵

• Rhizomes short creeping, stout, scaly.
• Fronds tufted, pinnate or bipinnate; stipes up to 60 cm long, chestnut-brown, not polished, scaly at base; laminae ovate-oblong, 40 cm long, 25 cm wide, acuminate with broad and deeply pinnatifid apex; lateral pinnae petiolulate, variously lobed, sometimes with free lobes or pinnules, especially on the one or two lower pairs of pinnae; veins anastomosing and along costa not forming arches; rachises puberulent, the laminae glabrous except bearing ctenitis hairs on the upper surface along costae and veins; texture very thin.
• Sori round, terminal on the ends of included veinlets; indusia reniform, persistent.

分布

• 台灣 : Growing in open or dense rather wet forests or ravines.
• 世界 : S. China, Indo-China, Vietnam, the Ryukyus.

引證標本

TAIPEI: Kankou, Kao 3400; Hsientien, Huang 1172. ILAN: Taipingshan, Sasaki s. n. 1932, TAICHUNG: Pahsienshan, Suzuki s. n. 1929. NANTOU: Sun Moon Lake, DeVol & Huang 1233, Kuo 1840; Lienhuachih, Huang 7616, Kao 4073. CHIAYI: Mt. Alishan, Kanehira s. n. 1918.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG. 1994. Flora of Taiwan, second edition 1: 300. (Fl. Taiwan 2nd edit.)