Oenothera albicaulis Pursh
Whitest Evening-primrose, White-stem Evening-primrose, Pale Evening-primrose
Onagraceae (Evening Primrose Family)
Synonym(s): Anogra albicaulis, Oenothera ctenophylla
USDA Symbol: OEAL
This is a winter annual with stems up to 20 in long spreading horizontally in a circle from the root. Basal leaves are spatula-shaped; the upper leaves are pinnately cleft into wavy-margined, narrow lobes. Showy flowers are made up of four, white, heart-shaped petals.
Flowers open near sunset but remain open for several days.
From the Image Gallery
Bloom InformationBloom Color: White
Bloom Time: Apr , May , Jun , Jul
DistributionUSA: AZ , CO , IL , KS , MT , ND , NE , NM , NV , NY , OK , SD , TX , UT , WY
Native Distribution: MT to AZ, e. to w. ND, w. KS, TX & n. Mex.
Native Habitat: Sandy roadsides & fields
Growing ConditionsLight Requirement: Sun
Soil Description: Sandy soils.
Conditions Comments: Flowers open near sunset but remain open for several days.
Value to Beneficial InsectsSpecial Value to Native Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Sibley Nature Center - Midland, TX
Additional resourcesUSDA: Find Oenothera albicaulis in USDA Plants
FNA: Find Oenothera albicaulis in the Flora of North America (if available)
Google: Search Google for Oenothera albicaulis
MetadataRecord Modified: 2012-06-19
Research By: TWC Staff