Taxon Details
Euphorbia abramsiana
Abrams' spurge
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Taxon Summary:
Euphorbia abramsiana, commonly known as Abrams' spurge, is a annual herb in the Euphorbiaceae that is found in California and elsewhere. It occurs within Mojavean desert scrub, and Sonoran desert scrub, growing at elevations from -5 to 1310 meters. Euphorbia abramsiana is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.|
Scientific Name: Euphorbia abramsiana L.C. Wheeler |
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Common Name: Abrams' spurge |
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| Family: | Euphorbiaceae | |
| Element Code: | PDEUP0D010 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 2B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G4 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 2001-01-01 |
| Date Edited: | 2021-12-09 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: (Aug)Sep-Nov
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Elevation:
-5 - 1310 meters -15 - 4300 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Threatened by vehicles, solar energy development, and non-native plants. See Bulletin of the Southern California Academy of Sciences 33:109 (1934) for original description, Madroño 32(3):188 (1985) for alternative nomenclature, and Taxon 55:397-420 (2006) for taxonomic treatment. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 8 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 67 | 61 % |
| THREAT LIST: | ||
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| ORV activity | 37 | 33% |
| Development | 35 | 32% |
| Road/trail construction/maint. | 16 | 14% |
| Non-native plant impacts | 11 | 10% |
| Mining | 6 | 5% |
| Foot traffic/trampling | 3 | 2% |
| Grazing | 1 | 0% |
| Agriculture | 1 | 0% |
| Total Occurrences: | 109 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 9 | 31 | 34 | 10 | 1 | 24 |
| Occurrence Status: | |||||
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| Historical >20 Years | 10 | ||||
| Recent <=20 Years | 99 | ||||
| Presence: | |||||
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| Presumed Extant | 108 | ||||
| Possibly Extirpated | 1 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Arizona (AZ), Baja California (BA), California (CA), Nevada (NV), Sonora, Mexico (SO) |
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California Counties and Islands: Name (Code) Imperial (IMP), Riverside (RIV), San Bernardino (SBD), San Diego (SDG) |
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Quads: Name (Quad Code) Bonds Corner (3211563), Alpine (3211677), Amos (3311513), Augustine Pass (3311543), Blind Hills (3411573), Blythe NE (3311465), Borrego Mountain SE (3311611), Brawley (3211585), Cadiz Valley SW (3411514), Calexico (3211564), Carrizo Mtn. (3211671), Castle Peaks (3511532), Cibola (3311436), Clark Lake (3311633), Colton Well (3411584), Coyote Wells (3211568), Cross Roads (3411422), Desert Spring (3411583), Earthquake Valley (3311614), East of Dale Lake (3411525), Ford Dry Lake (3311561), Fountain Peak (3411585), Goffs (3411581), Hackberry Mountain (3511512), Harpers Well (3311518), Hart Peak (3511531), Hayfield (3311566), Hayfield Spring (3311565), Heber (3211565), Homer (3411488), Homer Mtn. (3511418), Hopkins Well (3311458), Humbug Mountain (3411517), Inca (3311477), Kane Spring NW (3311528), McCoy Peak (3311467), McCoy Spring (3311468), Monument Peak (3211684), Myoma (3311673), Parker SW (3411414), Rancho Mirage (3311664), Rice (3411417), Ripley (3311456), Roosevelt Mine (3311457), San Bernardino Wash (3311586), Shell Reef (3311621), Signal Hill (3511511), Sweeney Pass (3211672), Thumb Peak (3311447), Toro Peak (3311654), Tortuga (3311523), Valley Wells (3511546), Van Winkle Spring (3411575) |
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Notes:
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Presumed Extant
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