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Redwhisker Clammyweed
Polanisia dodecandra
About Redwhisker Clammyweed (Polanisia dodecandra) 1 Nurseries Carry This Plant Polanisia dodecandra is a species of flowering plant in the caper family] known by the common name redwhisker clammyweed, or simply clammyweed, although there are other Polanisia species called 'clammyweed'. It is an annual plant that is found in many types of habitat throughout much of Canada and the United States. It can be found elsewhere as an introduced species. The species scientific name derives from the fact that the plant has many stamens of unequal lengths.
Plant Description
Plant Type
Plant Type
Annual herb

Landscaping Information
Full Sun


Natural Setting
Site Type
Site Type
Disturbed places

Annual Precipitation: 3.8" - 91.1", Summer Precipitation: 0.41" - 1.81", Coldest Month: 30.9" - 58.8", Hottest Month: 56.7" - 87.9", Humidity: 1.54" - 38.91", Elevation: 30" - 6155"

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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