形態特徵

• Scandent ferns with long twining rhizomes, 2 mm wide; scales pale brown at first, turning dark brown, narrowly linear, fimbriate, caducous.
• Stipes distant, articulate to a short phyllopodia of about 2mm long; c. s. of stipe nearly rectangular, containing one bundle; fronds pinnate, 15-30 cm long; pinnae articulate to rachis, sessile, auricled on adaxial side; lower pinnae shortend, deflexed; adaxial margin crenate, abaxial margin entire or undulate; rachis pubuscent on underside, hairs multicellular, of the ctenitis-type; venation free, forking, ending in hydathodes, short of the margin.
• Sori round, terminal on a veinlet, in one row nearer margin than costa; indusia brown, reniform.

分布

• 世界 : Polynesia, Indonesia, the Philippines, China, Vietnam, India and Africa.

引證標本

TAIPEI: Wulai, Kao, Chuang & Feung 68; Yangmingshan, Kao 3731. ILAN: Suao, Masamune s. n. 1938. TAICHUNG: Tungshih, Simozawa 101. NANTOU: Kuantaochi, Kuo 2172; Chingshuikou, DeVol 8174. CHIAYI: Mt. Alishan, Kiyotani s. n. 1933. KAOHSIUNG: Shanping, Shieh & Tsai 11473*; Nanfen, Chuang 3359. PINGTUNG: Kengting, Hsu & Kuoh 8136. TAITUNG: Taitungshan, Yamamoto 60.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 199. 1994.  (Fl. Taiwan 2nd edit.)