形態特徵

• Rhizome short, suberect or creeping; scales clathrate, dark brown, denticulate, arms widely spreading.
• Stipes tufted or approximate, 2-3 cm long; fronds pinnate, 15-30 cm long, about 3 cm wide, tapering to each end; pinnae adnate and broadened at base, apex pointed, lower pinnae reduced to short lobes, margins entire; venation usually hidden, lateral veinlets scarcely visible, glabrescent; stipes and rachis covered with short blackish hairs.
• Sori linear, oblique to costa, sunken in deep slits, borne on side of veinlets.

分布

• 世界 : India, Ceylon, Vietnam, Hainan, the Philippines, Malaya and Indonesia.

引證標本

TAIPEI: Wulai, Liu 1809. ILAN: Bonbon, Kao 5936. TAOYUAN: Peichatienshan, Sasaki s. n. 1926. HSINCHU: Kuantao, Suzuki 20544. MIAOLI: Yangmeishan, Kuo 2374. TAICHUNG: Pahsienshan, Chuang, Kao & Kou 2608. NANTOU: Kuantaochi, Kuoh 4275. PINGTUNG: Tawushan, Lin s. n. 1976. TAITUNG: Chingshuiying, Hsu 13254. HUALIEN: Antung, Kao 6148.

參考文獻

• SHIEH, WANG-CHUENG, CHIOU, WEN-LIANG and DEVOL, CHARLES E., Flora of Taiwan, second edition 1: 525. 1994.  (Fl. Taiwan 2nd edit.)