![California Evening Primrose (Oenothera californica)](p-cal/IMG_21586a.jpg)
California Evening Primrose with white flowers |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_03112a.jpg)
California Evening Primrose with white flowers |
![](p-cal/RX10_43851a.jpg) |
![](p-cal/RX10_41870a.jpg) |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_22944a.jpg)
California Evening Primrose: upright and shrub-like |
![](p-cal/RX10_39898a.jpg)
California Evening Primrose: spreading on the ground |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_22966a.jpg)
California Evening Primrose: upright and shrub-like |
![](p-cal/RX10_43901a.jpg)
California Evening Primrose: spreading on the ground |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_15565a.jpg) |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_15721a.jpg) |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_22954a.jpg)
Bark shredding |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_22955a.jpg)
Bark shredding |
![](p-cal/RX10_43903a.jpg)
Stem with leaves and flowers |
![](p-cal/RX10_41879a.jpg)
Stem with leaves and flowers |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_15146b.jpg)
Young leaves triangular to oval, margins almost entire |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_15149b.jpg)
Young leaves triangular to oval; buds nodding |
![](p-cal/RX10_39902a.jpg)
Older leaves elongate with wavy margin, sometimes hairless |
![](p-cal/IMG_22950a.jpg)
Older leaves elongate with wavy margin, sometimes hairy |
![](p-cal/RX10_39901a.jpg)
California Evening Primrose: buds nodding (hanging down) |
![](p-cal/RX10_39899a.jpg)
California Evening Primrose: buds nodding (hanging down) |
![](p-cal/RX10_39900a.jpg)
California Evening Primrose: buds nodding (hanging down) |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_15723a.jpg)
Flower bud nodding, sometimes hairless, free tips very short
|
![](p-cal/RX10_43858a.jpg)
Flower bud nodding, hairy, free tips very short |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_03116a.jpg)
Flower bud opening |
![California Evening Primrose (Oenothera californica)](p-cal/S120_13092a.jpg)
California Evening Primrose: sometimes a small plant |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_21593a.jpg)
California Evening Primrose: sometimes a small shrub |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_21590a.jpg) |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_21587a.jpg) |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_15145a.jpg) |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_21589a.jpg) |
![](p-cal/RX10_41876a.jpg) |
![](p-cal/RX10_41875a.jpg) |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_22947a.jpg)
Flowers open in the evening |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_15146a.jpg)
Flowers open in the evening |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_15561a.jpg)
Flowers open in the evening |
![](p-cal/RX10_43904a.jpg)
Flowers open in the evening |
![](p-cal/RX10_43856a.jpg)
Flowers close in the morning and age to pink |
![](p-cal/RX10_39904a.jpg)
Flowers close in the morning and age to pink |
![](p-cal/RX10_43905a.jpg)
Fresh (white) and older flowers (pink) |
![](p-cal/RX10_43860a.jpg)
Flowers close in the morning and age to pink |
![](p-cal/RX10_47250a.jpg)
Flowers close in the morning and age to pink |
![](p-cal/RX10_47251a.jpg)
Flowers close in the morning and age to pink |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_22952a.jpg)
Seed pods cylindrical |
Seed pod cylindrical |
![](p-cal/RX10_43855a.jpg)
Seed pod cylindrical with a flaring tip |
![](p-cal/RX10_41878a.jpg)
Seed pod cylindrical with a flaring tip |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_22956a.jpg)
Dried seed pod with seeds |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_22957a.jpg)
Dried seed pod without seeds |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_22961a.jpg)
Seeds |
![California Evening Primrose (Oenothera californica)](p-cal/IMG_22959a.jpg)
Seeds |