形態特徵

• Rhizome short, suberect.
• Stipes tufted, stramineous, 15-25 cm long, scales thin, narrowly lanceolate, sparse; lamina ovate-lanceolate, lowest pinnae largest, usually falcate, sessile, first basiscopic pinnule of lowest pinna somewhat shortened; rachis, rachillae and both surfaces bearing multicellular hairs; rachis groove not open to rachilla grooves.
• Sori round; indusia fugacious, thin, small, oblong, attached at base, opening towards margin.

分布

• 世界 : N. India, China, S. Japan and Malaysia.

引證標本

TAIPEI: Ayushan, Suzuki 14720; Habun, Suzuki 16896. ILAN: Tuchang, Tsai 9853; Taipingshan, Suzuki 104. TAOYUNG: Lalashjan, Simozawa 260; Peichatienshan, Kuo 2513. HSINCHU: Tapachienshan Kuo 1752; Yuanyanghu, Kuo 1521. TAICHUNG: Taan, Tsai 4992; Tungshih, Simozawa 259. NANTOU: Huisun Forest, Shieh & Tsai 2252; Chitou, Kuo 374. CHIAYI: Mt. Alishan, Kuo 3147. KAOHSIUNG: Tengchih, Kuo 2414; Shihshan, Kuo 751. PINGTUNG: Nanjenshan, Shieh & Tsai 727. TAITUNG: Kueihu, Kuo 123.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 430. 1994.  (Fl. Taiwan 2nd edit.)