形態特徵

• Rhizomes short, erect, densely covered with narrowly lanceolate, hair-pointed brown scales.
• Fronds tufted, 30-70 cm long; stipes slender, brown, scaly only at base, grooved; laminae triangular-ovate, bipinnatifid to tripinnatifid, thin, bright green, about as long as stipes; lowest pinnae largest, with enlarged basiscopic pinnules; venation free except for a row of costal areolae; stipes, rachises and upper surfaces of laminae densely covered with ctenitis hairs, the lower surfaces sparingly pubescent; texture thin.
• Sori orbicular, median between costules and margins; indusia orbicular-reniform, with pale ciliate margins.

分布

• 台灣 : Growing in exposed crevices of rocks or more or less shaded ravines of forests, more abundant in lowlands.
• 世界 : S. China, India, Ceylon, Thailand, the Ryukyus, the Philippines, Malaysia and Polynesia.

引證標本

ILAN: Nanshan, Chang 211. TAICHUNG: Tungshih, Simozawa 198. NANTOU: Kuantaochi, Kuon 4317; Lushan, DeVol 8314, Tsai 9914. TAINAN:Kuantzuling, Tsai 9518. KAOHSIUNG: Shanping, Kuo 1861*, Shieh & TSai 518. PINGTUNG: Shuangliu, Kao 7263; Kenting Park, Shieh & Tsai 6556. TAITUNG: Tawu, Chuang, Chao & Kao 3429; Is. Lanyu, Shieh & Tsai 2551. HUALIEN: Longchien, Shieh & Tsai 2701.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG. 1994. Flora of Taiwan, second edition 1: 297. (Fl. Taiwan 2nd edit.)