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Ceanothus palmeri

Trel.

Palmer's Whitethorn

G2Imperiled (G2G3) Found in 20 roadless areas NatureServe Explorer →
G2ImperiledGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.144539
Element CodePDRHA040Z0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRhamnales
FamilyRhamnaceae
GenusCeanothus
Other Common Names
Palmer ceanothus (EN)
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Review Date1988-08-02
Change Date1988-08-02
Ecology & Habitat

Habitat

Dry slopes within Yellow Pine Forest, Foothill Woodland, and Shrubland/Chaparral communities, including the shrub-dominated Scrub oak - Birchleaf mountain-mahogany community, which has loamy, sometimes rocky, soil and continuous shrub cover. 100 - 1800 m.
Terrestrial Habitats
Forest/WoodlandForest - ConiferWoodland - MixedShrubland/chaparral
Other Nations (1)
United StatesN2
ProvinceRankNative
CaliforniaSNRYes
Plant Characteristics
Economic Value (Genus)Yes
Roadless Areas (20)
California (20)
AreaForestAcres
Barker ValleyCleveland National Forest11,940
Black ButteLos Padres National Forest5,116
Cactus Springs BSan Bernardino National Forest3,106
Cahuilla MountainSan Bernardino National Forest6,952
ColdwaterCleveland National Forest8,402
Cutca ValleyCleveland National Forest14,530
De La GuerraLos Padres National Forest5,418
Deep CreekSan Bernardino National Forest23,869
DiableLos Padres National Forest19,597
Fox MountainLos Padres National Forest52,072
Hixon FlatSan Bernardino National Forest8,095
Horse Creek RidgeSan Bernardino National Forest8,969
JuncalLos Padres National Forest12,289
MatilijaLos Padres National Forest5,218
Pyramid Peak BSan Bernardino National Forest7,194
Rouse HillSan Bernardino National Forest13,745
San SevaineSan Bernardino National Forest6,866
Sawmill - BadlandsLos Padres National Forest51,362
Sill HillCleveland National Forest5,294
White LedgeLos Padres National Forest18,632
References (7)
  1. Beauchamp, R.M. 1986. A flora of San Diego County, California. Sweetwater River Press, California. 241 pp.
  2. CalFlora. 2005. Information on California plants for education, research and conservation. Berkeley, California: The CalFlora Database [web application]. Available: http://www.calflora.org/. (Accessed 2005)
  3. Flora of North America Editorial Committee (FNA). 2016. Flora of North America north of Mexico. Vol. 12. Magnoliophyta: Vitaceae to Garryaceae. Oxford Univ. Press, New York. xxiv + 603 pp.
  4. Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
  5. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  6. Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.
  7. Sawyer, J.O. and T. Keeler-Wolf. 1995. A Manual of California Vegetation. California Native Plant Society, Sacramento.