Is this Sweet dock?

Is this Sweet dock?

Observation - Is this Sweet dock?. Description: Spotted next to a canal foot path. I live in Mytholmroyd in Calderdale. Every year there is a 'Dock Pudding' contest where people cook a pudding made from Sweet dock leaves. Just wondered if this is it.

Spotted next to a canal foot path. I live in Mytholmroyd in Calderdale. Every year there is a 'Dock Pudding' contest where people cook a pudding made from Sweet dock leaves. Just wondered if this is it.