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Lewis' Evening-primrose Back to Plant Page
Camissoniopsis lewisii

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About Lewis' Evening-primrose (Camissoniopsis lewisii) Camissoniopsis lewisii is a species of evening primrose known by the common name Lewis' evening primrose. It is native to southern California and Baja California, where it grows in coastal habitat and on the grasslands of the inland mountain ranges. as an example occurrence in Baja California, C. lewisii occurs in association with Mimulus aridus and Adiantum jordanii. This is an annual herb producing a hairy stem up to about half a meter long which may be erect and unbranched or spreading along the ground and branching. The leaves are arranged in a basal rosette and are several centimeters long; there are also leaves along the stem. The nodding inflorescence produces flowers with yellow petals a few millimeters long with one or two red spots at the bases. The fruit is coiled and one to two centimeters long.
Plant Description
Plant Type
Annual herb

Flower Color

Native Status
Natural Setting
Elevation ?
0' - 9047'

Annual Precip. ?
9.5" - 56.9"

Summer Precip. ?
0.18" - 1.97"

Coldest Month ?
30.8° F - 56.7° F

Hottest Month ?
50.3° F - 77.7° F

Humidity ?
0.97 vpd - 22.69 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Botanical Names
Camissonia lewisii

Common Names
Lewis' Evening Primrose

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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