形態特徵

• Rhizomes short, stout, erect or suberect, densely clothed at the apex with stiff shining scales, dark brown with paler margins.
• Stipes tufted, stramineous to light brown, 30-40 cm long, scaly at the base; laminae pinnate with the basal pinnae usually bearing a large basiscopic lobes, all pinnae and lobes acuminate-caudate; terminal pinnae simple or trilobed, often much larger than the lateral; texture chartaceous, bearing ctenitis hairs on undersides of rachises, costae and main veins; veins copiously anastmosing, the areolae with included veinlets.
• Sori dorsal on the connecting veins, small, usually round, multiseriate, extending from costae to margins; indusia brown, firm, more or less reniform, entire, fugacious.

分布

• 台灣 : Growing in exposed places or more or less shaded ravines of the forests.
• 世界 : S. China, Nepal, Sikkim, Bhutan, India, Ceylon, Burma, Thailand, Indo-China, Java, Sumatra, the Philippines and Malaya.

引證標本

TAIPEI: Shuiyuanti, Chang 107. TAICHUNG: Tungshih, Simozawa 190; Anmashan, Liu 34. NANTOU: Chingshuikou, DeVol 8167; Kuantaochi, Kuoh 4310. CHIAYI: Chokou, Kuo 1869. KAOHSIUNG: Paolai, Yang 96; Shanping, Kuoh 4004, Shieh & Tsai 6611. PINGTUNG: Wuweishan, Sasaki s. n. 1926.

參考文獻

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