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Brundage, Stephanie

Oenothera primiveris

Oenothera primiveris A. Gray

Desert Evening-primrose, Yellow-flower Desert Evening-primrose, Bottle Evening Primrose, Large Yellow Desert Primrose

Onagraceae (Evening Primrose Family)

Synonym(s):

USDA Symbol: OEPR

USDA Native Status: L48 (N)

Yellow-flower Desert Evening-primrose is a winter annual with a clump of oblong, deeply cleft leaves, 6-12 in. in height. Night-blooming yellow flowers fade orange and are tubular with four petals.

From the Image Gallery

69 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 1 foot tall.

Bloom Information

Bloom Color: Yellow
Bloom Time: Feb , Mar , Apr , May

Distribution

USA: AZ , CA , NM , NV , TX , UT
Native Distribution: Trans Pecos, TX, w. to s.w. UT & s. CA
Native Habitat: Desert flats below 4500 ft.

Growing Conditions

Light Requirement: Sun
Soil Description: Sandy or gravelly soils.

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Propagation

Description: Sow unstratified seed in fall; stratified in spring.
Commercially Avail: yes

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Oenothera primiveris in USDA Plants
FNA: Find Oenothera primiveris in the Flora of North America (if available)
Google: Search Google for Oenothera primiveris

Metadata

Record Modified: 2023-02-21
Research By: TWC Staff

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