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Pale evening primrose

Also known as: Prairie evening primrose

Oenothera albicaulis Pursh

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Pale evening primrose flower
Pale evening primrose capsules
Pale evening primrose inflorescence
Pale evening primrose fruit
Pale evening primrose
Pale evening primrose
Pale evening primrose
Pale evening primrose flower
Pale evening primrose
Pale evening primrose sepals
Pale evening primrose leaves
Pale evening primrose
Pale evening primrose flower and bud

Morphology

Stem
Erect, single, simple or branched, short densely hairy and stiff spreading-hairy; epidermis white, not exfoliating; branches often decumbent from base.
Leaves
Basal leaves oblanceolate, egg-shaped, or spatula-shaped, 1 to 5.6 inches long, entire to wavy pinnately-divided, often absent at flowering; stalks often longer than blades; stem leaves alternate, lanceolate to oblanceolate, 1/2 to 4 inches long, 1/5 to 4/5 inch wide, stiff-hairy and soft-hairy; margins wavy to deeply lobed; short stalked to sessile.
Inflorescence
Solitary flowers in axils of upper leaves.
Flower
Buds nodding; floral tube slender, .6 to 1.4 inch long, sparingly hairy, gray-colored; sepals 4, distinct, linear-lanceolate, 1/2 to 1 inch long, sparsely hairy, bending abruptly backward; margins with reddish-purple stripe; petals 4, heart-shaped, .6 to 1.6 inch long, nearly as wide, white, fading pinkish; tip notched; stamens 8; stigma 4-lobed.
Fruit
Capsule, sessile, cylindric, .8 to 1.6 inch long, 1/10 to 1/8 inch in diameter, ribbed, ascending, straight or slightly curved, pubescent; seeds ellipsoid, yellowish-brown, pitted, in 2 rows in each compartment.

Ecology

Habitat
Sandy prairies, stream valleys, roadsides, waste places; sandy soil.
Distribution
West 2/5 of Kansas.

Practical Information

Uses
Native Americans ate the fruits for food, boiled the seeds in soups, used the dried flowers used as ceremonial medicine, and smoked the plant as a tobacco substitute.

Additional Notes

Comments

Somewhat weedy. The flowers have an unpleasant odor.

Quick Facts
Plant Type
Wildflower
Family
Onagraceae - Evening Primrose Family
Life Span
Annual
Height
4-20 inches
Origin
Native
Last Updated
2013-07-26
Color Groups
White, Green & Greenish White Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: April, May, June