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Serpentine Daisy
Erigeron serpentinus
  
About Serpentine Daisy (Erigeron serpentinus) 0 Nurseries Carry This Plant Erigeron serpentinus is a rare species of flowering plant in the daisy family known by the common names serpentine fleabane and serpentine daisy. It is endemic to Sonoma County, California, where it is known from three occurrences in and around The Cedars, in the Coast Ranges east of Salt Point and west of Healdsburg. There are an estimated 1100 individuals in existence. The Cedars is a canyon habitat with serpentine soils surrounded by non-serpentine terrain; it is home to several rare serpentine-endemic plant species. This daisy was discovered there and described to science in 1992. Erigeron serpentinus is a perennial herb producing an upright stem up to 50 centimeters (20 inches)long from a taproot and caudex unit. The linear leaves are up to 4 centimeters (1. 6 inches) long and under a millimeter wide. The inflorescence is a solitary flower head or a cluster of 2-4 heads. Each has 9-13 white ray florets 7 or 8 millimeters in length which turn blue as they dry. These surround numerous yellow disc florets.
Plant Description
Plant Type
Plant Type
Perennial herb

Flower Color
Flower Color
Lavender, Yellow, White

Wildlife Supported
 


 
Butterflies & moths hosted ( 2 likely * ) SHOW ALL

Landscaping Information
Common uses
Common uses
Bee Gardens

Natural Setting
Climate
Climate
Annual Precipitation: 70.5" - 70.9", Summer Precipitation: 0.66" - 0.72", Coldest Month: 48.5" - 49.0", Hottest Month: 68.7" - 70.0", Humidity: 3.16" - 17.34", Elevation: 973" - 1815"

Alternative Names
Common Names: Serpentine Erigeron, Serpentine Fleabane


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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