Oenothera californica (Nutt. ex Torr. & A. Gray) Greene， non (S. Watson) S. Watson， nom. illeg.
Oenothera leptocarpa Greene
Camissonia californica (Nutt. ex Torr. & A. Gray) P.H. Raven
California evening primrose, California suncup
California evening primrose is native to parts of the southwestern United States, and Baja California.
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.
Habitats: In chaparral, dry plains, pinyon-juniper woodlands, and higher elevation deserts.
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Similar species. |
Online References:
Wikimedia Commons (Photos)
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
Oenothera californica (Nutt. ex Torr. & A. Gray) Greene， non (S. Watson) S. Watson， nom. illeg.
Oenothera leptocarpa Greene
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 · ≈ 9 × 6″ (23 × 16 cm) 
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 · ≈ 6 × 5″ (14 × 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 · ≈ 7 × 6″ (17 × 14 cm) 
4/30/2018 · Cima Road or Nearby, Mojave National Preserve, California · ≈ 5 × 5″ (13 × 12 cm) 
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 · ≈ 11 × 8″ (27 × 20 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) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Rosidae | Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more |
| Order | Myrtales | Includes myrtles, leadwoods, loosestrifes, pomegranates, evening primroses, many others |
| Family | Onagraceae | Willowherb/evening primrose family |
| Genus | Camissonia | Named for Ludolf Karl Adelbert von Chamisso (1781-1838), who was a botanist on the ship Rurik which visited California in 1816, and who named the California poppy for his friend Dr. Johann Friedrich Gustav von Eschscholtz |
| Species | californica | Of or from California |
Camissonia californica description by Thomas H. Kent, not updated.
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