Taxon Report
Rhus aromatica Aiton var. simplicifolia (Greene) Cronquistsingle-leaved skunkbrush |
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Taxon Summary
Rhus aromatica var. simplicifolia, commonly known as single-leaved skunkbrush, is a perennial deciduous shrub in the Anacardiaceae that is found in California and elsewhere. It occurs within Pinyon and juniper woodland, growing at elevations from 1220 to 1370 meters. Rhus aromatica var. simplicifolia is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Rhus aromatica Aiton var. simplicifolia (Greene) Cronquist |
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Common Name: |
single-leaved skunkbrush |
| Family: | Anacardiaceae |
| Element Code: | PDANA080B5 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial deciduous shrub |
| Blooming Period: Mar-Apr | Mar-Apr |
| Elevation: | 1220-1370 (4005-4495) |
| General Habitats: | Pinyon and juniper woodland |
| Microhabitat: | Granitic (usually) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.3 |
| Global Rank: | G5T5 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 4 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 1 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 3 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| San Diego (SDG) | |
| Quads: Name (Quad Code) | |
| Whale Peak (3311613) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 25 % | |
| Foot traffic/trampling | 1 | 25% |
Notes
| Known in CA only from the Pinyon and Vallecito mountains. Not in TJM (1993); a synonym of R. aromatica in TJM 2. See Bulletin of the Torrey Botanical Club 17(1):13 (1890) for original description, Great Basin Naturalist 46(2):254 (1986) for revised nomenclature, and Madroño 34(2):171 (1987) for first CA records. |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 October 2025].