生活型

herb

形態特徵

• Stems filiform, much branched.
• Leaves submersed, filiform, green or brownish green, acute. Stipules adnate to leaf base ca. two-third their length, acute, membranaceous.
• Spikes lax, flowers few; peduncle slender, to 10 cm long.
• Fruit ovoid, subentire abaxially.

分布

• 台灣 : in streams throughout.
• 世界 : Cosmopolitan.

引證標本

ILAN: Lotung, Yang 64. KAOHSIUNG: Fengshan, Moo s. n. Apr 1972.

參考文獻

• YANG, Yuen-Po. 2000. Flora of Taiwan, second edition 5: 25. (Fl. Taiwan 2nd edit.)