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|
The leaf perforations are visible as translucent dots if the leaf is held up to the light.