形態特徵

• Rhizomes 6-12 mm or more thick; scales lanceolate with broad bases and dark brown centers, the margins pale, bearing hairs; stipe 10-25 cm long; C.S. of rhizome round, with a ring of about 20 bundles (2 larger in center); c. s. of stipe with about 6 bundles in an arc, those at ends larger.
• Fronds pentagonal, 15 to 30 cm or more broad, tripinnate at base, first basiscopic pinnule enlarged; upper part of fronds pinnate to pnnatifid; rachis and rachillae bearing scattered very narrow, hair-like scales; old part of rhizome covered with appressed persistent bases of scales.

分布

• 台灣 : On tree trunks and rocks.
• 世界 : Burma, Malaya, the Philippines, and Polynesia.

引證標本

PINGTUNG: Shihmen, Hsu 10538; Nanjenshan, Shieh & Tsai 6787*. TAITUNG: Aroekei, Sasaki, s. n. 1932; Is. Lanyu, Kuo 2227, Shieh 282.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and YANG, TAI-YING, Flora of Taiwan, second edition 1: 190. 1994.  (Fl. Taiwan 2nd edit.)