White Evening Primrose

Oenothera pallida

White evening primrose, or pale evening primrose, is a member of the evening primrose family. It is considered a western North American species, found in 11 western United States and British Columbia, Canada. Its range includes British Columbia and extends southeast to Texas. It includes all states west of Wyoming and Colorado except for California.
White Evening Primrose Another member of the evening primrose family, found in the high Utah desert. This plant was found growing along the path out in the open, but still directly adjacent to a wash area that receives high amounts of moisture. Captured in Arches National Park. Arches National Park,Geotagged,Oenothera pallida,United States,Utah,White Evening Primrose,Wildflowers

Appearance

O. pallida reaches a height of 24 inches (60 cm) when mature and has 8 stamens. Typically found with 4 white to pale pink petals with yellow at the base of the petals. The blossoms may be up to 2.5 inches (6.3 cm) across. The stem is green, fading to pink as it nears the flowers. The unopened blossoms are also pink.

References:

Some text fragments are auto parsed from Wikipedia.

http://plants.usda.gov/core/profile?symbol=OEPA
http://en.wikipedia.org/wiki/Oenothera
http://uswildflowers.com/detail.php?SName=Oenothera%20pallida
Taxonomy
KingdomPlantae
DivisionAngiosperms
ClassEudicots
OrderMyrtales
FamilyOnagraceae
GenusOenothera
SpeciesOenothera pallida
Photographed in
United States of America