Sonoran Desert Naturalist >>> Field Guide >>> Sonoran Desert Flora >>> Onagraceae

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, just three shown here (for now ... ).

Booth's Suncup

Camissonia boothii

Brown-eyed Evening Primrose

Camissonia claviformis

Photo © by Michael Plagens

Spring annual of western Sonoran Desert with nodding spikes of white flowers with red stems and buds. Leaves entire, elyptic.   Detailed Description

Photo © by Michael Plagens

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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California Suncup

Camissonia californica

Desert Evening Primrose

Oenothera primiveris

Photo by Michael Plagens posted to Wikimedia

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

Photo © by Michael Plagens

Low-growing, spring annual with four, delicate, cordate (heart-shaped) yellow petals. Leaves in a basal rosette.   Detailed Description

Hummingbird Trumpet

Epilobium canum

Photo by Kurt Stueber

Perennial herb of damp, shady places, i.e. deep canyons. Red tubular flowers with four lobes. Leaves alternate. Stems NOT four-angled. This photo is hosted at Wikimedia      Detailed Description


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Copyright Michael J. Plagens, 1999-07