Opuntia basilaris Engelm. & Bigel. var. treleasei (Coult.) ToumeyBakersfield cactus |
![]() Keir Morse |
Scientific Name: |
Opuntia basilaris Engelm. & Bigel. var. treleasei (Coult.) Toumey |
Common Name: |
Bakersfield cactus |
Family: | Cactaceae |
Element Code: | PDCAC0D055 |
USDA Plants Symbol: | OPBAT |
Synonyms/Other Names: |
|
Lifeform: | perennial stem |
Blooming Period: Apr-May | Apr-May |
Elevation: | 100-1450 (330-4755) |
General Habitats: | Chenopod scrub, Cismontane woodland, Valley and foothill grassland |
Microhabitat: | Gravelly (sometimes), Sandy (sometimes) |
Microhabitat Details: |
CA Rare Plant Rank: | 1B.1 |
Global Rank: | G5T1 |
State Rank: |
S1 |
State List: | CE |
Fed List: | FE |
Other Status: | SB_CalBG/RSABG |
CRPR Changes: |
|
Total Occurrences: | 62 |
Element Occurrence Ranks: | |
Excellent (A) | 0 |
Good (B) | 12 |
Fair (C) | 19 |
Poor (D) | 9 |
None (X) | 11 |
Unknown (U) | 11 |
California Endemic: True | |
California Counties and Islands: Name (Code) | |
Kern (KRN) | |
Quads: Name (Quad Code) | |
Arvin (3511827), Bena (3511836), Coal Oil Canyon (3511911), Conner SW (3511912), Eagle Rest Peak (3411982), Edison (3511837), Grapevine (3411888), Lamont (3511838)*, Mettler (3511818), Mt. Adelaide (3511846), North of Oildale (3511951), Oil Center (3511848), Oildale (3511941)*, Oiler Peak (3511835)*, Rio Bravo Ranch (3511847), Tejon Hills (3511817), Weed Patch (3511828), Woody (3511867) |
Threat List Total: | 19 | |
EOs with Threat Listed: | Total EOs | % of EOs |
47 | 76 % | |
Grazing | 27 | 43% |
Road/trail construction/maint. | 19 | 30% |
Vandalism/dumping/litter | 12 | 19% |
Foot traffic/trampling | 12 | 19% |
ORV activity | 12 | 19% |
Mining | 11 | 17% |
Erosion/runoff | 11 | 17% |
Development | 11 | 17% |
Agriculture | 9 | 14% |
Other | 8 | 12% |
Recreational use (non-ORV) | 7 | 11% |
Non-native plant impacts | 6 | 9% |
Improper burning regime | 6 | 9% |
Disking | 4 | 6% |
Biocides | 3 | 4% |
Waterway bank protection/maintenance | 3 | 4% |
Pollution | 1 | 1% |
Landfill | 1 | 1% |
Altered flood/tidal/hydrologic regime | 1 | 1% |
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 MadroƱo 39(1):79 (1992) for information on a new population. |
Threats: |
Threatened by energy development, agricultural conversion, grazing, mining, vehicles, and especially urbanization in the Bakersfield area. |
Taxonomy: |