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Sonoran Desert Evening Primroses

Annual or perennial herbs. Distinctive flower structure: 8 stamens, 4-parted stigma and ovary below the flower. Many with showy flowers. Many species.

Pale-yellow Suncup	Camissonia pallida	California Suncup	Camissonia californica
Spring annual of mid to upper Sonoran Desert. Flowers pale yellow and fruits often coiled. Detailed Description		Spring annual of the Sonoran Desert on rocky slopes and wash banks. Flowers small but v. bright yellow. Leaves, especially on pre-flowering plants splotched with red. Detailed Description
Booth's Suncup	Camissonia boothii	Brown-eyed Evening Primrose	Camissonia claviformis
Spring annual of western Sonoran Desert with nodding spikes of white flowers with red stems and buds. Leaves entire, elyptic. Detailed Description		Spring annual of Sonoran Desert with nodding clusters of white or yellowish flowers. Hypanthium is reddish-brown. Leaves pinnately divided. Detailed Description

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Desert Evening Primrose	Oenothera primiveris	Yellow Sun Cup	Camissonia brevipes
Low-growing, spring annual with four, delicate, cordate (heart-shaped) yellow petals. Leaves in a basal rosette. Detailed Description		Four yellow petals. Buds nodding. Leaves in a basal rosette. Western Sonoran Desert into Mojave Desert. Detailed Description
Hooker's Evening Primrose	Oenothera elata	Tufted Evening Primrose	Oenothera caespitosa
Tall summer perennial with large yellow flowers. Grows along riparian habitat in canyons. Detailed Description		Perennial herb without verticle stem. Leaves and flowers emerging from near ground level. Large white flowers. Fade to pink by mid morning. Detailed Description
Hummingbird Trumpet	Epilobium canum	Dune Evening Primrose	Oenothera deltoides
Perennial herb of damp, shady places, i.e. deep canyons. Red tubular flowers with four lobes. Leaves alternate. Stems NOT four-angled. Detailed Description		Grows on deep sandy soils western Arizona and California. Low growing, herbaceous spring annual. Photo by Steve Ganley. Detailed Description
Velvet Leaf Gaura	Gaura mollis	Floating Water Primrose	Ludwigia peploides
Very small pink flowers on a tall weeping spike (Lizard Tail). Elyptic leaves with soft hairs. Detailed Description		Grows in shallow water at edges of ponds or marshes forming tangled, floating mats. Detailed Description
Long-capsule Suncup	Camissonia chamaenerioides
These are small plants and the flowers are even smaller. Just a few cm tall and flower maybe 2 mm across! Leaves red-spotted. Detailed Description

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