Taxon Report
Clarkia delicata (Abrams) Nels. & Macbr.delicate clarkia |
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Taxon Summary
Clarkia delicata, commonly known as delicate clarkia, is a annual herb in the Onagraceae that is found in California and elsewhere. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 235 to 1000 meters. Clarkia delicata is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Clarkia delicata (Abrams) Nels. & Macbr. |
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Common Name: |
delicate clarkia |
| Family: | Onagraceae |
| Element Code: | PDONA050D0 |
| USDA Plants Symbol: | CLDE2 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Apr-Jun | Apr-Jun |
| Elevation: | 235-1000 (770-3280) |
| General Habitats: | Chaparral, Cismontane woodland |
| Microhabitat: | Gabbroic (often) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CRES |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 140 |
| Element Occurrence Ranks: | |
| Excellent (A) | 6 |
| Good (B) | 17 |
| Fair (C) | 3 |
| Poor (D) | 1 |
| None (X) | 1 |
| Unknown (U) | 112 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| San Diego (SDG) | |
| Quads: Name (Quad Code) | |
| Alpine (3211677), Barrett Lake (3211666), Boucher Hill (3311638), Cameron Corners (3211664), Campo (3211654), Cuyamaca Peak (3211685), Descanso (3211675), Dulzura (3211667), El Cajon (3211678), El Cajon Mtn. (3211687), Escondido (3311711), Jamul Mountains (3211668), Julian (3311615), La Mesa (3211771), Mesa Grande (3311627), Morena Reservoir (3211665), Mount Laguna (3211674), Otay Mountain (3211657), Pala (3311731), Palomar Observatory (3311637), Pechanga (3311741), Potrero (3211655), Ramona (3311617), Rodriquez Mtn. (3311628), San Pasqual (3311618), San Vicente Reservoir (3211688), Santa Ysabel (3311616), Sombrero Peak (3211673), Tecate (3211656), Tule Springs (3211686), Viejas Mountain (3211676), Warner Springs (3311636) | |
Threat List Data from the CNDDB
| Threat List Total: | 8 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 26 | 19 % | |
| Development | 9 | 6% |
| Road/trail construction/maint. | 9 | 6% |
| Other | 7 | 5% |
| Recreational use (non-ORV) | 2 | 1% |
| Non-native plant impacts | 2 | 1% |
| ORV activity | 2 | 1% |
| Foot traffic/trampling | 1 | 0% |
| Grazing | 1 | 0% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 2 February 2025].