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Bransford, W.D. and Dolphia
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
USDA Native Status: L48 (N)
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.
Plant CharacteristicsDuration: Annual Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: Apr , May , Jun , Jul
, WY Native Distribution: MT
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.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Sibley Nature Center
- Midland, TX
Record Last Modified: 2012-06-19
Research By: TWC Staff