Plants of Oxfordshire: Onagraceae - WIllowherb Family, Oenothera - Evening-primroses Genus
Oenothera biennis, Common Evening-primrose
Oenothera glazioviana, Large-flowered Evening-primrose
Oenothera biennis, Common Evening-primrose
Oenothera glazioviana, Large-flowered Evening-primrose