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Hardham's Evening-primrose
Camissoniopsis hardhamiae
  


About Hardham's Evening-primrose (Camissoniopsis hardhamiae) Camissoniopsis hardhamiae is a species of evening primrose known by the common name Hardham's evening primrose. It is endemic to California, where it grows in the chaparral and woodland of San Luis Obispo and Monterey Counties. It is a robust annual herb producing a hairy stem up to about half a meter tall. The leaves are lance-shaped to narrowly oval and up to 12 centimeters long. The nodding inflorescence bears flowers with yellow petals each a few millimeters long. The fruit is a cylindrical capsule up to 2. 5 centimeters long containing several dark-colored seeds.
Plant Description
Plant Type
Annual herb

Max. Height
1.6 ft (0.49 m)

Flower Color
Yellow

Native Status
Natural Setting
Elevation ?
1024' - 2066'

Annual Precip. ?
15.2" - 31.5"

Summer Precip. ?
0.28" - 0.86"

Coldest Month ?
41.2° F - 52.1° F

Hottest Month ?
71.1° F - 77.4° F

Humidity ?
0.95 vpd - 26.17 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Botanical Names
Camissonia hardhamiae

Common Names
Hardham's 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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