形態特徵

• Rhizomes about l cm thick, densely covered with persistent linear-lanceolate whitish or brownish hair-tipped scales; c. s. of rhizome oval, with about 12 bundles in a ring ; 2 central ones larger, the other smaller; c. s. of stipe oval to round with 5-6 bundles in an arc, these at each end larger; stipes 4-12 cm long, grooved above, scaly only at base.
• Fronds pentagonal, 12-20 cm broad; basiscopic pinnule elongated, 4-pinnatifid at base, coriaceous. Sori submarginal, wider than long; indusia cup-like, attached by base and at least 1/2 way on sides (or more).

分布

• 世界 : Northern India, West China.

引證標本

TAIPEI: Shihlin, Odashima 17756. ILAN: Oobishan, Masamune s. n. 1938. TAICHUNG: Shikchiao, Simizawa 423. NANTAOU: Lushan, Kao 7941; Kuanitaochi, Shieh & Tsai 10375*. PINGTUNG: Kosengpo, Matuda 98. TAITUNG: Taitungshan, Yamamoto 54; Tawu, Shieh 56.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and YANG, TAI-YING, Flora of Taiwan, second edition 1: 192. 1994.  (Fl. Taiwan 2nd edit.)