Taxon Report
Eriodictyon capitatum Eastw.Lompoc yerba santa |
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Taxon Summary
Eriodictyon capitatum, commonly known as Lompoc yerba santa, is a perennial evergreen shrub in the Namaceae that is found only in California. It occurs within Chaparral (maritime), Closed-cone coniferous forest, and Coastal bluff scrub, growing at elevations from 40 to 900 meters. Eriodictyon capitatum is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Eriodictyon capitatum Eastw. |
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Common Name: |
Lompoc yerba santa |
| Family: | Namaceae |
| Element Code: | PDHYD04040 |
| USDA Plants Symbol: | ERCA7 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial evergreen shrub |
| Blooming Period: May-Sep | May-Sep |
| Elevation: | 40-900 (130-2955) |
| General Habitats: | Chaparral, Closed-cone coniferous forest, Coastal bluff scrub |
| Microhabitat: | Sandy |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| State List: | CR |
| Fed List: | FE |
| Other Status: | SB_CalBG/RSABG; SB_SBBG; SB_USDA |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 11 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 6 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 3 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Santa Barbara (SBA) | |
| Quads: Name (Quad Code) | |
| Orcutt (3412074), Point Conception (3412044), Sacate (3412043), Santa Rosa Hills (3412053), Surf (3412065) | |
Threat List Data from the CNDDB
| Threat List Total: | 11 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 6 | 55 % | |
| Other | 4 | 36% |
| Road/trail construction/maint. | 3 | 27% |
| Non-native plant impacts | 2 | 18% |
| ORV activity | 1 | 9% |
| Development | 1 | 9% |
| Erosion/runoff | 1 | 9% |
| Feral pigs | 1 | 9% |
| Grazing | 1 | 9% |
| Improper burning regime | 1 | 9% |
| Military operations | 1 | 9% |
| Mining | 1 | 9% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 November 2025].