形態特徵

• Terrestrial plants; main stems trailing on ground, leafy branches numerous, erect, simple or once forked, usually terminated by a single sessile strobilus.
• Sterile leaves elliptical, the margins slightly serrulate, 4-6 mm long, rigid and spirally arranged, spreading horizontally or somewhat reflexed with up-curved apices.
• Strobili 14-20 cm long; sporophylls ovoid, cuspidate, the margins erose.

分布

• 台灣 : Seldom in mountain forests.
• 世界 : in the cooler regions of the northern hemisphere.

引證標本

HSINCHU: Tapachienshan, Wo s. n. 1934. TAICHUNG: Tsikaoshan, Sasaki s. n. 1932; Hsuehshan, Kuo 3992. HUALIEN: Hohuanshan, Kuo 433.

參考文獻

• TSAI, JINN-LAI and SHIEH, WANG-CHUENG, Flora of Taiwan, second edition 1: 30. 1994.  (Fl. Taiwan 2nd edit.)