形態特徵

• Rhizome erect.
• Stipes tufted, 8-20 cm long, scales at base pale brown to dark brown, lanceolate, 10-12 mm long, entire or minutely ciliate; laminae pinnate, lanceolate, 18-30 cm long, 5-10 cm wide; pinnae auricled at base on acroscopic side, margin serrate to deeply serrate; texture firm herbaceous to subcoriaceous; veins simple; lower pinnae shortened, widely spreading or somewhat deflexed, upper stipe and rachis stramineous, sparsely scaly, scales small, subulate, denticulate, dark.

引證標本

HSINCHU: Tapachienshan, Kuo 1721. NANTOU: Hohuanshan, Kuo 401. CHIAYI: Mt. Alishan, Hayata 15. KAOHSIUNG: Shihshan, Kuo 2450; Hsinwanlin, Suzuki 21045.

參考文獻

• SHIEH,WANG-CHUENG, DEVOL CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 328. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)