Taxon Details
Astragalus deanei
Dean's milk-vetch
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Taxon Summary:
Astragalus deanei, commonly known as Dean's milk-vetch, is a perennial herb in the Fabaceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Coastal scrub, and Riparian forest, growing at elevations from 75 to 695 meters. Astragalus deanei is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Astragalus deanei (Rydb.) Barneby |
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Common Name: Dean's milk-vetch |
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| Family: | Fabaceae | |
| Element Code: | PDFAB0F2R0 | |
| USDA Plants Symbol: | ASDE | |
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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.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | BLM_S; USFS_S |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-01-02 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Feb-May
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Elevation:
75 - 695 meters 245 - 2280 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Seriously threatened by development, vegetation/fuel management activities, foot traffic, non-native plants, and road maintenance. See North American Flora 24:355 (1929) for original description, and Memoirs of the New York Botanical Garden 13:845-846 (1964) 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: | 10 | 36 % |
| THREAT LIST: | ||
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| Erosion/runoff | 4 | 14% |
| Road/trail construction/maint. | 4 | 14% |
| Development | 3 | 10% |
| Non-native plant impacts | 3 | 10% |
| Recreational use (non-ORV) | 1 | 3% |
| Foot traffic/trampling | 1 | 3% |
| Grazing | 1 | 3% |
| Improper burning regime | 1 | 3% |
| Total Occurrences: | 28 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 1 | 5 | 1 | 2 | 1 | 18 |
| Occurrence Status: | |||||
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| Historical >20 Years | 15 | ||||
| Recent <=20 Years | 13 | ||||
| Presence: | |||||
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| Presumed Extant | 27 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 1 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) 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), Barrett Lake (3211666), Dulzura (3211667), El Cajon (3211678), El Cajon Mtn. (3211687), Jamul Mountains (3211668), Morena Reservoir (3211665), National City (3211761), Santa Ysabel (3311616), Tecate (3211656), Tule Springs (3211686) |
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Notes:
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Presumed Extant
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