Rose of Sharon, White Althea, Hibiscus syriacus

White Althea

Rose of Sharon, Hibiscus syriacus

For more info: http://apps.rhs.org.uk/plantselector/plant?plantid=3097

Here is a copy of the photo (unretouched):

Rose of Sharon, White Althea, Hibiscus syriacus

Here are a couple other photos of this beautiful flower..