Opuntia basilaris var. treleasei
Common Name: Bakersfield cactus
Family: Cactaceae
Synonyms: Opuntia treleasei
Element Code: PDCAC0D055
Full Name: Opuntia basilaris Engelm. & Bigel. var. treleasei (Coult.) Toumey

2010 Neal Kramer
Biology Glossary
  • Lifeform: perennial stem succulent
  • Blooming Period: April - May
  • Habitat: sandy or gravelly.
    • Chenopod scrub
    • Cismontane woodland
    • Valley and foothill grassland
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 49
  • Element Occurrence Ranks:
    A B C D X U
    0 9 17 7 11 5
  • Population Status:
    >20 yrs
    <=20 yrs
    17 32
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    38 2 9
Notes Glossary
  • Threatened by energy development, agricultural conversion, grazing, mining, vehicles, and especially urbanization in the Bakersfield area. USFWS uses the name O. treleasei. See Contributions from the U.S. National Herbarium 3:434 (1896) for original description, Wasmann Journal of Biology 25:289-290 (1967) for species account, and Madroño 39(1):79 (1992) for information on a new population.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1974-01-01
  • Last Update: 2014-08-08
Location Glossary
  • Elevation: 120 - 1450 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Kern (KRN),  Los Angeles (LAX)
  • Quads:   name (DWR code) USGS code
    Lebec (189D) 34118G7,  Arvin (214A) 35118B7,  Weed Patch (214B) 35118B8,  Mettler (214C) 35118A8,  Tejon Hills (214D) 35118A7,  Coal Oil Canyon (215D) 35119A1,  Mt. Adelaide (238B) 35118D6,  Bena (238C) 35118C6,  Oiler Peak (238D)* 35118C5,  Rio Bravo Ranch (239A) 35118D7,  Oil Center (239B) 35118D8,  Lamont (239C)* 35118C8,  Edison (239D) 35118C7,  Oildale (240A)* 35119D1,  North of Oildale (263D) 35119E1
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable.
Presumed Extant Presumed Extirpated or Unknown 1187
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website http://www.rareplants.cnps.org [accessed ].

34118G7=Lebec (189D) 34118G7;35118B7=Arvin (214A) 35118B7;35118B8=Weed Patch (214B) 35118B8;35118A8=Mettler (214C) 35118A8;35118A7=Tejon Hills (214D) 35118A7;35119A1=Coal Oil Canyon (215D) 35119A1;35118D6=Mt. Adelaide (238B) 35118D6;35118C6=Bena (238C) 35118C6;35118C5=Oiler Peak (238D)* 35118C5;35118D7=Rio Bravo Ranch (239A) 35118D7;35118D8=Oil Center (239B) 35118D8;35118C8=Lamont (239C)* 35118C8;35118C7=Edison (239D) 35118C7;35119D1=Oildale (240A)* 35119D1;35119E1=North of Oildale (263D) 35119E1