Taxon Report
Clarkia speciosa F.H. Lewis & M.E. Lewis ssp. polyantha F.H. Lewis & M.E. Lewisred spot clarkia |
 Aaron Schusteff |
Species Description:
Clarkia speciosa ssp. polyantha, commonly known as red spot clarkia, is a annual herb in the Onagraceae that is found only in California. It occurs within Chaparral, Cismontane woodland, Lower montane coniferous forest, and Upper montane coniferous forest, growing at elevations from 235 to 2000 meters. Clarkia speciosa ssp. polyantha is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.
Classification
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Scientific Name: |
Clarkia speciosa F.H. Lewis & M.E. Lewis ssp. polyantha F.H. Lewis & M.E. Lewis |
|
Common Name: |
red spot clarkia |
| Family: | Onagraceae |
| Element Code: | PDONA05112 |
| USDA Plants Symbol: | CLSPP |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: (Mar)May-Jun(Jul) | (Mar)May-Jun(Jul) |
| Elevation: | 235-2000 (770-6560) |
| General Habitats: | Chaparral, Cismontane woodland, Lower montane coniferous forest, Upper montane coniferous forest |
| Microhabitat: | Granitic (sometimes) |
| Microhabitat Details: | Often found on open slopes within woodland or conifer forest. |
Conservation Status
| CA Rare Plant Rank: | 4.3 |
| Global Rank: | G4T3T4 |
|
State Rank: |
S3 |
| 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: | 0 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Quads: Name (Quad Code) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Selected References
| Proposed addition to CRPR 4.2, G3 T3 / S3 (2024) |
| University of California Publications in Botany 20: 241–392 (1955) |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 20 January 2025].