Easily confused with : other Bindweeds

Hybridizes with :

• Large Bindweed (Calystegia silvatica) to produce Calystegia × lucana which is intermediate between the parents and is highly fertile. Corolla 4 - 6.5cm, either white or very pale pink and stamens 20-25mm long. It is scattered over the British Isles but frequent in parts of southern England especially in Greater London
• Hairy Bindweed (Calystegia pulchra) to produce Calystegia × scanica which is intermediate between the parents but only partially fertile. White to pale pink corolla 4.5 - 6.5cm, and with slightly longer stamens 22 - 28mm long. It is scattered in the Channel Islands and central and southern Britain.

In addition, there are two sub-species of Hedge Bindweed:

• Calystegia sepium ssp. roseata which has pink flowers with 5 white stripes, can have a slightly larger corolla (4 - 5.5cm); stamens 17-25mm long, which is found throughout the British Isles.
• Calystegia sepium ssp. sepium which has white flowers OR pink flowers with 5 white stripes and can have a slightly smaller corolla (3 - 5cm); stamens 15-25mm long which is found near the western coasts of Britain & Ireland & the Channel Islands.

No relation to : Copse Bindweed nor to Black Bindweed [plants with similar names belonging to a different family, that of the Dock & Knotweed Family].

Bindweeds have five fused petals forming an un-interrupted trumpet, but with five longitudinal creases. It is native and is found on rough and waste ground, in hedges, or by water such as ditches, fens or marshes.