Mexican Evening Primrose
Synonym: Oenothera berlandieri, Xylopleurum berlandieri, Oenothera speciosa var. childsii, Oenothera speciosa 'Rosea'
This plant has very attractive pink flowers, but its untidy look make it more adapted to desert landscaping than to something more formal. When given more water, the plants blooms more freely, but may become invasive