ID Guide - St John's Wort
The St John's Wort (Hypericum) family are attractive, yellow-flowered perennials. They can look confusingly similar but can be distinguished by careful examination of key features. A hand-lens may be required (depending how good your eyesight is!).
|Species||Stems||Downy||Flower dots||Leaf dots||Leaf perf|
|Hairy||no ridges||downy stems and leaves||yes||no||yes|
|Pale (no recent VC55 records)||no ridges||downy leaves (undersides)||yes||yes||no|
|Marsh (not recorded in VC55)||no ridges||downy stems and leaves||no||no||yes|
The leaf perforations are visible as translucent dots if the leaf is held up to the light.