Taxon Details
Deinandra minthornii
Santa Susana tarplant
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Taxon Summary:
Deinandra minthornii, commonly known as Santa Susana tarplant, is a perennial deciduous shrub in the Asteraceae that is found only in California. It occurs within Chaparral, and Coastal scrub, growing at elevations from 280 to 760 meters. Deinandra minthornii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Deinandra minthornii (Jeps.) B.G. Baldwin |
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Common Name: Santa Susana tarplant |
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| Family: | Asteraceae | |
| Element Code: | PDAST4R0J0 | |
| USDA Plants Symbol: | DEMI4 | |
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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: | 1B.2 |
| Fed List: | None |
| State List: | CR (1978-11-01) |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | BLM_S; SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-11-05 |
| Lifeform: perennial deciduous shrub | ||||||||||||||
Blooming Period: Jul-Nov
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Elevation:
280 - 760 meters 920 - 2495 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Threatened by development. Possibly threatened by non-native plants. State-listed as Hemizonia minthornii; see this name in The Jepson Manual. See Manual of the Flowering Plants of California, p. 1092 (1925) by W.L. Jepson for original description, and Novon 9:462-471 (1999) for revised nomenclature. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 10 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 19 | 50 % |
| THREAT LIST: | ||
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| Development | 12 | 31% |
| Road/trail construction/maint. | 6 | 15% |
| Wood cutting or brush clearing | 5 | 13% |
| Recreational use (non-ORV) | 4 | 10% |
| Foot traffic/trampling | 3 | 7% |
| Improper burning regime | 3 | 7% |
| Non-native plant impacts | 3 | 7% |
| Grazing | 2 | 5% |
| Vandalism/dumping/litter | 2 | 5% |
| Other | 1 | 2% |
| Total Occurrences: | 38 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 6 | 11 | 3 | 0 | 0 | 18 |
| Occurrence Status: | |||||
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| Historical >20 Years | 17 | ||||
| Recent <=20 Years | 21 | ||||
| Presence: | |||||
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| Presumed Extant | 38 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Los Angeles (LAX), Ventura (VEN) |
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Quads: Name (Quad Code) Calabasas (3411826), Canoga Park (3411825), Malibu Beach (3411816), Oat Mountain (3411835), Point Dume (3411817), Santa Susana (3411836), Thousand Oaks (3411827), Topanga (3411815), Triunfo Pass (3411818) |
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Notes:
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Presumed Extant
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