Wildflowers of the Stuttgart Area
Hypericum tetrapterum
| Family : | HYPERICACEAE (St. John's Wort Family) |
| Common Name (UK) : | Square-stalked St. John's Wort |
| Common Name (DE) : | Flügel- Johanniskraut |
| Common Name (FR) : | Millepertuis à quatre ailes |
| Habitat : | Damp grassy and marshy places. |
| Remarks : | |
| First appearing : | July |
| Abundance : |
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