形態特徵

• Terrestrial; rhizomes stout, erect or ascending, bearing fibrous roots.
• Stipes caespitose, 8-12 cm long, brown, covered with stiff, dark-brown, horizontal bristles up to 5 mm long or longer; laminae usually 4-pinnatifid, 10-40 cm long; pinnae widely spreading, 6-9 cm long; ultimate segments linear, with only one vein per segment; basal pairs of pinnae usually shortened; rachis narrowly winged, also bearing horizontal bristles.
• Sori borne on the acroscopic branches of pinnules; indusia tubular, very narrowly winged, truncate at apex; receptacles long exserted.

分布

• 台灣 : Growing on the dense forest floors of mountains at low altitude throughout the Island.
• 世界 : Japan, the Ryukyus, the Philippines, Malaysia, Indonesia and Polynesia.

引證標本

TAIPEI: Kankou, Shimizu & Kao 12352. ILAN: Bonbon, Kao 5964. NANTOU: Chitou, Huang 1433. PINGTUNG: Nanjenshan, Kuoh 7896; Chingshuiyin, Tsai 1452*. TAITUNG: Ramaramani, Kao 6872; Chihpen, Shieh 1578. HUALIEN: Chingshueishan, Shimizu & Kao 11667.

引用文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 100. 1994.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)