Species Details
Caulanthus californicus
California jewelflower
Download Report Calflora eFlora CCH CalPhotos
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Scientific Name: Caulanthus californicus (Wats.) Pays. |
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Common Name: California jewelflower |
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| Family: | Brassicaceae | |
| Element Code: | PDBRA31010 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FE (1990-07-19) |
| State List: | CE (1987-01-01) |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | SB_CalBG/RSABG; SB_SBBG; SB_UCBG |
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CRPR Changes: |
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| Add Date: | 1984-01-01 |
| Date Edited: | 2021-10-04 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Feb-May
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Elevation:
61 - 1000 meters 200 - 3280 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Over 35 historical occurrences extirpated; new populations recently discovered. Threatened by agriculture, urbanization, energy development, and grazing, and possibly by non-native plants. Experimental reintroductions have occurred in KRN, SBA, and TUL counties, but all have failed. See Fremontia 16(1):18-19 (1988) for species account. |
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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: | 52 | 78 % |
| THREAT LIST: | ||
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| Agriculture | 26 | 38% |
| Grazing | 24 | 35% |
| Development | 11 | 16% |
| Other | 6 | 8% |
| Non-native plant impacts | 3 | 4% |
| Mining | 2 | 2% |
| Insufficient population/stand size | 1 | 1% |
| Total Occurrences: | 67 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 8 | 22 | 3 | 2 | 30 | 2 |
| Occurrence Status: | |||||
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| Historical >20 Years | 54 | ||||
| Recent <=20 Years | 13 | ||||
| Presence: | |||||
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| Presumed Extant | 37 | ||||
| Possibly Extirpated | 12 | ||||
| Presumed Extirpated | 18 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Fresno (FRE), Kern (KRN), Kings (KNG)*, San Luis Obispo (SLO), Santa Barbara (SBA), Tulare (TUL)* |
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Quads: Name (Quad Code) Antelope Plain (3511967), Arvin (3511827)*, Avenal (3612012)*, Ballinger Canyon (3411984)*, Belridge (3511946)*, Clovis (3611976), Coalinga (3612023)*, Curry Mountain (3612014)*, Cuyama (3411985), Cuyama Peak (3411974)*, Delano East (3511972)*, Delano West (3511973)*, Edison (3511837)*, Elkhorn Hills (3511915), Emigrant Hill (3511968)*, Fox Mountain (3411975), Fresno North (3611977)?*, Fresno South (3611967), Garza Peak (3512082)*, Huron (3612021)*, Kreyenhagen Hills (3612013), La Panza (3512032), La Panza Ranch (3512042), Lost Hills (3511956)*, Lost Hills NE (3511965), Malaga (3611966), Mouth of Kern (3511923), New Cuyama (3411986)*, Painted Rock (3511927)*, Pine Mountain (3511857)*, Pyramid Hills (3512071)*, Richgrove (3511971)*, Rio Bravo Ranch (3511847)*, Rosedale (3511942)*, Sausalito School (3511982)*, Semitropic (3511955), Stevens (3511932), Taft (3511924)*, Tejon Ranch (3511816), Tent Hills (3512072), Tulare (3611923)*, Wells Ranch (3511916) |
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Notes:
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Presumed Extant
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