Eulobus californicus Nutt. ex Torr. & A. Gray
Oenothera californica (Nutt. ex Torr. & A. Gray) Greene， non (S. Watson) S. Watson， nom. illeg.
Oenothera leptocarpa Greene
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Camissonia californica (Nutt. ex Torr. & A. Gray) P.H. Raven California evening primrose
California evening primrose is native to parts of the southwestern United States, and Baja California. It is found in chaparral, dry plains, pinyon-juniper woodlands, and higher elevation deserts. Plants: Plant stems are erect or may spread horizontally, and 4-31″ (10-80 cm) long. Leaves: Young plants have a basal rosette of leaves. Older plants also have leaves along the stem. Leaves are lanceolate (lance-shaped), and ¾-6″ (2-15 cm) long. Leaves are typically smaller than those of O. deltoides. Flowers: Flower buds are nodding and hairy, about ¾″ (1.9 cm) long and ⅜″ (9.5 mm) wide, with reddish stripes along their length. Tips open into white flowers ¾-1½″ (2-4 cm) around, with four petals. Each flower has 8 stamens and an anther that splits in two at the tip. Older flowers take on a pinkish tinge. They have pleasant fragrance. They appear from March to June. Fruits: ¾-2″ (2-6 cm) round, usually curved pods, with seeds 1/32-1/16″ (1.5-2 mm) in size. These are closely similar: |
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 15 × 10″ (39 × 26 cm)
4/29/2018 · Willow Spring Picnic Area, Red Rock Canyon, Nevada · ≈ 8 × 5″ (20 × 13 cm)
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 10 × 6″ (24 × 16 cm) |
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Oenothera deltoides |
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| Common Name |  |
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| Plant | Most of the colorful common names of this plant refer to odd shape it takes after it dies. The stems curl upward and form the “birdcage,” as shown below. Several leafy branches extend from the central stem, along the ground, from 4″ (10 cm) to 3′ (91 cm). It is these stems that dry and curl. | ||||||||||||||||||||||||||||
| Flowers | Showy, fragrant white flowers that fade to pink as they age, ¾-1½″ (2-4 cm) wide. Each flower has a yellow throat, 4 petals, 8 stamens, and a stigma with four wavy hair-like branches. The flowers bloom at night. | ||||||||||||||||||||||||||||
| Leaves | Leaves are gray-green, forming a basal rosette. Leaves are deltoid, diamond-shaped, or oval, ¾-6″ (2-15 cm) long and up to ¾″ (1.9 cm), and often lobed, toothed, or grooved. | ||||||||||||||||||||||||||||
| Fruit | ¾-2″ (2-6 cm) round, usually curved pods, with seeds 1/32-1/16″ (1.5-2 mm) in size. | ||||||||||||||||||||||||||||
| Range/ Zones |
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| Habitats | Sandy soils such as deserts and beaches. | ||||||||||||||||||||||||||||
| Type | Wild | ||||||||||||||||||||||||||||
Online References:
Wikimedia Commons (Photos)
CalPhotos Photos
4/29/2018 · Willow Spring Picnic Area, Red Rock Canyon, Nevada · ≈ 6 × 4″ (16 × 11 cm) 
4/30/2018 · Cima Road or Nearby, Mojave National Preserve, California · ≈ 8 × 5″ (20 × 13 cm) 
4/29/2018 · Willow Spring Picnic Area, Red Rock Canyon, Nevada · ≈ 1½ × 1′ (52 × 34 cm) 
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 10 × 6″ (24 × 16 cm) 
4/30/2018 · Cima Road or Nearby, Mojave National Preserve, California · ≈ 8 × 5″ (20 × 13 cm) 
Camissonia californica description by Thomas H. Kent, last updated 29 Jul 2023.
© FloraFinder.org. All rights reserved.
4/29/2018 · Willow Spring Picnic Area, Red Rock Canyon, Nevada · ≈ 4 × 6″ (11 × 16 cm) 
2/28/2010 · Anza-Borrego Desert State Park, California · ≈ 17 × 12″ (44 × 29 cm) 
ID is uncertain 
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 10 × 6″ (24 × 16 cm) 
4/30/2018 · Kelbaker Road, Mojave National Preserve, California · ≈ 8 × 5″ (20 × 13 cm) 
Range:
