Common Evening-primrose ( Oenothera biennis)

1. Oenothera biennis

   Plant
2. Oenothera biennis is a species of Oenothera native to eastern and central North America, from Newfoundland west to Alberta, southeast to Florida, and southwest to Texas, and widely naturalized elsewhere in temperate and subtropical regions. Wikipedia
4. Scientific name: Oenothera biennis
5. Higher classification: Evening Primrose
6. Rank: Species

5/8/14
Yeadon
Willowherb Family,
Have seen this plant growing in gardens, as well as finding it seeding in Urban areas.

Flower

Leaves