Helxine may refer to:
- a genus of plants in the nettle family Urticaceae containing a single species, Helxine soleirolii, a synonym of Soleirolia soleirolii
- a genus of plants in the knotweed family Polygonaceae, including the following species
- Helxine convolvulus, a synonym of Fallopia convolvulus
- Helxine multiflorum, a synonym of Reynoutria multiflora
- Helxine scandens, a synonym of Fallopia scandens
- Helxine saggitatum, a synonym of Persicaria sagittata
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/60/Helxine_soleirolii_WPC.jpg/220px-Helxine_soleirolii_WPC.jpg)