Species Details
Acanthomintha ilicifolia
San Diego thorn-mint
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© 2013 Keir Morse |
© 2013 Keir Morse |
© 2016 Vince Scheidt |
Species Description:
Acanthomintha ilicifolia, commonly known as San Diego thorn-mint, is a annual herb in the Lamiaceae that is found in California and elsewhere. It occurs within Chaparral, Coastal scrub, Valley and foothill grassland, and Vernal pools, growing at elevations from 10 to 960 meters. Acanthomintha ilicifolia is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Acanthomintha ilicifolia (Gray) Gray |
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Common Name: San Diego thorn-mint |
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| Family: | Lamiaceae | |
| Element Code: | PDLAM01010 | |
| USDA Plants Symbol: | ACIL | |
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Synonyms/Other Names: |
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| Name Status: |
JEP, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FT (1998-11-12) |
| State List: | CE (1982-01-01) |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG; SB_CRES |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2023-06-06 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-Jun
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Elevation:
10 - 960 meters 35 - 3150 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Approximately one third of the historical occurrences in CA have been extirpated; threatened by urbanization, road construction, vehicles, grazing, trampling, foot traffic, recreactional activities, erosion, and non-native plants. Several occurrences introduced (22B, 34C, 35B, 36D), but few have survived. See Proceedings of the American Academy of Arts and Sciences 8:368 (1872) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 20 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 78 | 92 % |
| THREAT LIST: | ||
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| Non-native plant impacts | 65 | 76% |
| Development | 53 | 62% |
| Foot traffic/trampling | 30 | 35% |
| Recreational use (non-ORV) | 28 | 32% |
| Road/trail construction/maint. | 28 | 32% |
| Improper burning regime | 26 | 30% |
| Other | 23 | 27% |
| Erosion/runoff | 21 | 24% |
| Vandalism/dumping/litter | 16 | 18% |
| ORV activity | 15 | 17% |
| Grazing | 11 | 12% |
| Wood cutting or brush clearing | 5 | 5% |
| Altered flood/tidal/hydrologic regime | 4 | 4% |
| Agriculture | 3 | 3% |
| Surface water diversion | 1 | 1% |
| Biocides | 1 | 1% |
| Feral pigs | 1 | 1% |
| Military operations | 1 | 1% |
| Mining | 1 | 1% |
| Non-native animal impacts | 1 | 1% |
| Total Occurrences: | 85 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 5 | 24 | 11 | 7 | 26 | 12 |
| Occurrence Status: | |||||
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| Historical >20 Years | 42 | ||||
| Recent <=20 Years | 43 | ||||
| Presence: | |||||
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| Presumed Extant | 59 | ||||
| Possibly Extirpated | 19 | ||||
| Presumed Extirpated | 7 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Baja California (BA), California (CA) |
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California Counties and Islands: Name (Code) San Diego (SDG) |
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Quads: Name (Quad Code) Alpine (3211677), Del Mar (3211782), Dulzura (3211667), El Cajon (3211678), El Cajon Mtn. (3211687), Encinitas (3311713), Escondido (3311711), Imperial Beach (3211751), Jamul Mountains (3211668), La Jolla (3211772)*, La Mesa (3211771), National City (3211761)*, Otay Mesa (3211658), Poway (3211781), Ramona (3311617), Rancho Santa Fe (3311712), San Luis Rey (3311723), San Marcos (3311722), San Pasqual (3311618), San Vicente Reservoir (3211688), Tecate (3211656), Viejas Mountain (3211676) |
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Notes:
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Presumed Extant
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