Taxon Report
Plagiobothrys verrucosus (Phil.) I.M. Johnst.warty popcornflower |
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Species Description:
Plagiobothrys verrucosus, commonly known as warty popcornflower, is a annual herb in the Boraginaceae that is found in California and elsewhere. It occurs within Chaparral, growing at elevations from 610 to 760 meters. Plagiobothrys verrucosus 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: |
Plagiobothrys verrucosus (Phil.) I.M. Johnst. |
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Common Name: |
warty popcornflower |
| Family: | Boraginaceae |
| Element Code: | PDBOR0V1D0 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-May | Apr-May |
| Elevation: | 610-760 (2000-2495) |
| General Habitats: | Chaparral |
| Microhabitat: | Shale |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.1 |
| Global Rank: | G4G5 |
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State Rank: |
S1 |
| 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) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 4 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Santa Clara (SCL), Stanislaus (STA) | |
| Quads: Name (Quad Code) | |
| Isabel Valley (3712135), Mt. Boardman (3712144) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | % | |
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Notes
| Known in CA only from the Mt. Hamilton Range. Previously identified as P. myosotoides, which does not occur in CA. See Linnaea: Ein Journal für die Botanik in ihrem ganzen Umfange 29:17-18 (1858) for original description, and Contributions from the Gray Herbarium of Harvard University 78:79 (1927) for revised nomenclature. |
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Threats: |
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Taxonomy: |
Selected References
| CRPR List Addition on 2012-08-21 |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 23 January 2025].