Taxon Report
Calystegia stebbinsii BrummittStebbins' morning-glory |
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Classification
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Scientific Name: |
Calystegia stebbinsii Brummitt |
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Common Name: |
Stebbins' morning-glory |
| Family: | Convolvulaceae |
| Element Code: | PDCON040H0 |
| USDA Plants Symbol: | CAST21 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial rhizomatous herb |
| Blooming Period: Apr-Jul | Apr-Jul |
| Elevation: | 185-1090 (605-3575) |
| General Habitats: | Chaparral, Cismontane woodland |
| Microhabitat: | Gabbroic (sometimes), Seeps (sometimes) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G1 |
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State Rank: |
S1 |
| State List: | CE |
| Fed List: | FE |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 15 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 2 |
| Fair (C) | 7 |
| Poor (D) | 1 |
| None (X) | 4 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| El Dorado (ELD), Nevada (NEV) | |
| Quads: Name (Quad Code) | |
| Coloma (3812078), Grass Valley (3912121), Pilot Hill (3812171), Rough And Ready (3912122), Shingle Springs (3812068) | |
Threat List Data from the CNDDB
| Threat List Total: | 11 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 14 | 93 % | |
| Development | 14 | 93% |
| Road/trail construction/maint. | 7 | 46% |
| Non-native plant impacts | 5 | 33% |
| Vandalism/dumping/litter | 4 | 26% |
| ORV activity | 3 | 20% |
| Improper burning regime | 2 | 13% |
| Biocides | 2 | 13% |
| Landfill | 1 | 6% |
| Erosion/runoff | 1 | 6% |
| Foot traffic/trampling | 1 | 6% |
| Recreational use (non-ORV) | 1 | 6% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 1 January 2025].