| There are some very good photographs and descriptions of the following plants:Curled dock Rumex crispus |
| In Britain the family Polygonaceae (the Dock family) are dicotyledons, with flower petals absent or if present they are free. Ovary superior.Leaves generally simple, alternate and with membranous stipules (ochrea)Flowers with tepalsStamens 6 – 9
Genera eg.Rumex, Fallopia, Polygonum, Persicaria |
| Rumex | Leaf shape | Upper stem leaves | ||
| hastate/arrow shaped | oval-lanceolate | clasping | not clasping | |
| R. acetosa | X | X | ||
| R. acetosella | X | X | ||
| R. sanguinea | X | X | ||
