Species Details
Allium marvinii
Yucaipa onion
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© 2013 Keir Morse |
© 2006 Chris Wagner, SBNF |
© 2013 Keir Morse |
Species Description:
Allium marvinii, commonly known as Yucaipa onion, is a perennial bulbiferous herb in the Alliaceae that is found only in California. It occurs within Chaparral (clay, and openings), growing at elevations from 760 to 1065 meters. Allium marvinii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Allium marvinii A. Davids. |
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Common Name: Yucaipa onion |
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| Family: | Alliaceae | |
| Element Code: | PMLIL02330 | |
| USDA Plants Symbol: | ||
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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.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | BLM_S; SB_CalBG/RSABG; USFS_S |
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CRPR Changes: |
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| Add Date: | 2001-01-01 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial bulbiferous herb | ||||||||||||||
Blooming Period: Apr-May
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Elevation:
760 - 1065 meters 2495 - 3495 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Known only from the Yucaipa and Beaumont area of the southern San Bernardino Mtns. Threatened by non-native plants, urbanization and alteration of fire regimes. Not in TJM (1993). See Bulletin of the Southern California Academy of Sciences 20:49 (1921) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 7 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 11 | 23 % |
| THREAT LIST: | ||
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| Other | 5 | 10% |
| Non-native plant impacts | 4 | 8% |
| Road/trail construction/maint. | 3 | 6% |
| Development | 3 | 6% |
| Grazing | 1 | 2% |
| Altered flood/tidal/hydrologic regime | 1 | 2% |
| Biocides | 1 | 2% |
| Total Occurrences: | 47 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 3 | 1 | 0 | 1 | 42 |
| Occurrence Status: | |||||
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| Historical >20 Years | 14 | ||||
| Recent <=20 Years | 33 | ||||
| Presence: | |||||
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| Presumed Extant | 46 | ||||
| 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) Orange (ORA), Riverside (RIV), San Bernardino (SBD), San Diego (SDG) |
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Quads: Name (Quad Code) Alberhill (3311764), Barrett Lake (3211666), Beaumont (3311688), Beauty Mountain (3311646), Black Star Canyon (3311776), Blackburn Canyon (3311667), Bonsall (3311732), Cameron Corners (3211664), Cuyamaca Peak (3211685), Descanso (3211675), El Cajon Mtn. (3211687), El Casco (3311781), Forest Falls (3411618), Hot Springs Mtn. (3311635), Idyllwild (3311666), Lake Mathews (3311774), Mesa Grande (3311627), Morena Reservoir (3211665), Mount Laguna (3211674), Pechanga (3311741), Rodriquez Mtn. (3311628), Sage (3311658), San Jacinto (3311678), Santa Ysabel (3311616), Sitton Peak (3311754), Viejas Mountain (3211676), Warner Springs (3311636), Wildomar (3311753) |
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Notes:
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Presumed Extant
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