Taxon Details
Streptanthus juneae
June's jewelflower
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Taxon Summary:
Streptanthus juneae, commonly known as June's jewelflower, is a perennial herb in the Brassicaceae that is found only in California. It occurs within Chaparral (montane), and Lower montane coniferous forest, growing at elevations from 2155 to 2370 meters. Streptanthus juneae is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Streptanthus juneae Jensen |
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Common Name: June's jewelflower |
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| Family: | Brassicaceae | |
| Element Code: | PDBRA2G540 | |
| USDA Plants Symbol: | ||
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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: | None |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: added to 1B.2 on 2020-12-09 |
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| Add Date: | 2020-12-09 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Jun-Aug
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Elevation:
2155 - 2370 meters 7070 - 7775 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Potentially threatened by road maintenance, vehicles, and recreational activities. Previously identified as S. campestris; differentiated in lacking uniformly dark purple sepals (vs. uniformly dark purple sepals), lack of dense cluster of fertile flowers at apex of inflorescence (vs. dense cluster), less than 0.5 m tall (vs. often taller than 1 m), leaves appearing thick, coriaceous (vs. leaves appearing thin), basal leaf petioles without ciliate margins (vs. often with ciliate margins), and endemic to San Bernardino Mtns. (vs. southeastern foothills of the San Bernardino Mtns. south to Baja CA, Mexico in S. campestris). See Madroño 67(1):19-34 (2020) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 3 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 1 | 14 % |
| THREAT LIST: | ||
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| Other | 1 | 14% |
| Recreational use (non-ORV) | 1 | 14% |
| Road/trail construction/maint. | 1 | 14% |
| Total Occurrences: | 7 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 1 | 0 | 0 | 0 | 6 |
| Occurrence Status: | |||||
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| Historical >20 Years | 2 | ||||
| Recent <=20 Years | 5 | ||||
| Presence: | |||||
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| Presumed Extant | 7 | ||||
| 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) San Bernardino (SBD) |
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Quads: Name (Quad Code) Big Bear Lake (3411628) |
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Notes:
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Presumed Extant
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