形態特徵

• Stipes stout, 25-50 cm long, covered with large, lanceolate, reddish-brown scales at base (scales 2-4 cm long); upper stipe and rachis without scales.
• fronds monomorphic, lanceolate, bipinnatifid, 30-100 cm long; texture subcoriaceous; pinnae linear, cut 3/4 way to costa; median pinnae 15-30 cm long, 4-9 cm wide (rarely to 40 cm long, by 12 cm broad); segments on either side of costa about equal; with a single large scaly bud just below apex of frond, attached to rachis base of 2nd or 3rd pinna.
• Sori parallel to costules, linear, discrete; indusia linear, opening towards costules.

分布

• 台灣 : at 1,200-15,00 m altitude mountain, habitat like that of <i>W. orientalis</i> var. <i>formosana</i>.
• 世界 : Japan, mainland China and the Philippines.

引證標本

TAIPEI: Kuaishan, Simozawa 525. ILAN: Taipingshan, Chuang 4686. HSINCHU: Tapachienshan, Kuoh 3210. MIAOLI: Hsishui, Simozawa s. n. 1938. TAICHUNG: Lishan, Feung & Kao 4566. NANTOU: Wushe, Suzuki 5673. CHIAYI: Mt. Alishan, Feung & Kao 178. TAITUNG: Chaojih, Yamamoto 400. HUALIEN: Mukuashan, Kao 4178; Taroko, Suzuki 9246.

參考文獻

• CHIOU, WEN-LIANG, SHIEH, WANG-CHUENG and DEVOL, CHARLES E., Flora of Taiwan, second edition 1: 278. 2002.  (Fl. Taiwan 2nd edit.)