Taxon Report
Rosa minutifolia Engelm.small-leaved rose |
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Taxon Summary
Rosa minutifolia, commonly known as small-leaved rose, is a perennial deciduous shrub in the Rosaceae that is found in California and elsewhere. It occurs within Chaparral, and Coastal scrub, growing at elevations from 150 to 160 meters. Rosa minutifolia is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Rosa minutifolia Engelm. |
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Common Name: |
small-leaved rose |
| Family: | Rosaceae |
| Element Code: | PDROS1J1B0 |
| USDA Plants Symbol: | ROMI80 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial deciduous shrub |
| Blooming Period: Jan-Jun | Jan-Jun |
| Elevation: | 150-160 (490-525) |
| General Habitats: | Chaparral, Coastal scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.1 |
| Global Rank: | G2G3 |
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State Rank: |
SX.C |
| State List: | CE |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG; SB_CRES |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 3 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 1 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 1 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| San Diego (SDG) | |
| Quads: Name (Quad Code) | |
| Imperial Beach (3211751) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 2 | 67 % | |
| Development | 1 | 33% |
| Non-native plant impacts | 1 | 33% |
| ORV activity | 1 | 33% |
| Wood cutting or brush clearing | 1 | 33% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 31 October 2025].