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Hickman's Cinquefoil
Potentilla hickmanii
About Hickman's Cinquefoil (Potentilla hickmanii) 0 Nurseries Carry This Plant Potentilla hickmanii (called Hickman's potentilla or Hickman's cinquefoil) is an endangered perennial herb of the rose family. This rare plant species is found in a narrowly restricted range in two locations in coastal northern California, in Monterey County, and in very small colonies in San Mateo County. This small wildflower, endemic to western slopes of the outer coastal range along the Pacific Ocean coast, produces bright yellow blossoms through spring and summer. This species was formerly thought to be growing in Sonoma County but that population has been recently reclassified as another species, Potentilla uliginosa and is presumed extinct in that county.
Plant Description
Plant Type
Plant Type
Perennial herb

1.9 - 9.8 in tall

Wildlife Supported

Landscaping Information
Natural Setting
Annual Precipitation: 16.6" - 30.4", Summer Precipitation: 0.24" - 0.63", Coldest Month: 46.9" - 49.9", Hottest Month: 60.6" - 65.1", Humidity: 0.91" - 10.47", Elevation: 75" - 558"

Alternative Names
Common Names: Hickman's Potentilla

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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