形態特徵

• Rhizome thick, short-creeping.
• Stipes black, tufted, grooved, scaly; scales clathrate, black, lanceolate; fronds pinnate, 25-50 cm long, terminal pinna similar to lateral pinnae but broader at base; lateral pinnae of 6-15 pairs, petiolate, lanceolate, 12 cm long by 1.5 cm wide, cuneate and unequal-sided at base; upper margin sharply serrate, lower side falcate; veins forking, running to marginal teeth; lower pinnae petiolate, upper ones sessile.
• Sori linear, to 15 mm long; indusia thin, narrow.

分布

• 台灣 : Growing on rocks or tree trunks.
• 世界 : from Madagascar to Australia.

引證標本

TAICHUNG: Tungshih, Do 150. NANTOU: Kuantaochi, Chang 522; Chingshuikou, Huang 267. CHIAYI: Shuitao, DeVol 7200. KAOHSIUNG: Paolai, Yang 101; Shanping, Kuo 1926. PINGTUNG: Hengchun, Matuda 583. TAITUNG: Is. Lanyu, Kuo 2230; Tawu, Masanune 1577.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 451. 1994.  (Fl. Taiwan 2nd edit.)