形態特徵

• Rhizome erect or ascending, stout, covered with stipe bases; scales brown, lanceolate-attenuate, entire.
• Stipes 8-15 cm long, stramineous, scaly at base; lamina lanceolate, bipinnate; pinnae lanceolate, 3-12 cm long, subsessile, widely patent; lower pinnae opposite, upper pairs usually alternate; pinnulesw 5-10 mm long, oblong, obtuse, serrate-dentate; rachillae narrowly winged, sparsely scaly beneath, scales linear-lanceolate; upper surface with spine-like processes along margins of rachilla grooves, puberulent in rachis groove; basal pinnae shortened, sometimes deflexed; veins dark and conspicuous on underside.
• Sori medial on veinlets; indusia oblong, often curved or J-shaped and crossing a veinlet.

分布

• 世界 : the Philippines.

引證標本

ILAN: Nanhutashan, Hsu s. n. 1969; Tachoshuihsi, Shieh & Tsai 2587. HSINCHU: Kuanwu, Kuo 3490; Tapachienshan, Kuoh 3272. TAICHUNG: Hsiaohsuehshan, Feung 4401; Pahsienshan, Chuang s. n. 1959. NANTOU: Tientzu, Huang 5807. CHIAYI: Mt. Alishan, Kao 7577; Tungpu, Hsu 7330. KAOHSIUNG: Kuanshan, Jen 504, HUALIEN: Tayulin, Hsu 7170; Tyuosenzan, Suzuki 16316.

參考文獻

• SHIEH, WANG-CHUENG, DEVOL, CHARLES E. and KUO, CHEN-MENG, Flora of Taiwan, second edition 1: 424. 1994.  (Fl. Taiwan 2nd edit.)