Taxon Report
Delphinium californicum T. & G. ssp. interius (Eastw.) EwanHospital Canyon larkspur |
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Taxon Summary
Delphinium californicum ssp. interius, commonly known as Hospital Canyon larkspur, is a perennial herb in the Ranunculaceae that is found only in California. It occurs within Chaparral (openings), Cismontane woodland (mesic), and Coastal scrub, growing at elevations from 195 to 1095 meters. Delphinium californicum ssp. interius is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Delphinium californicum T. & G. ssp. interius (Eastw.) Ewan |
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Common Name: |
Hospital Canyon larkspur |
| Family: | Ranunculaceae |
| Element Code: | PDRAN0B0A2 |
| USDA Plants Symbol: | DECAI |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-Jun | Apr-Jun |
| Elevation: | 195-1095 (640-3595) |
| General Habitats: | Chaparral, Cismontane woodland, Coastal scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G3T3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 28 |
| Element Occurrence Ranks: | |
| Excellent (A) | 7 |
| Good (B) | 5 |
| Fair (C) | 3 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 13 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Alameda (ALA), Contra Costa (CCA), Merced (MER), Monterey (MNT), San Benito (SBT), San Joaquin (SJQ), Santa Clara (SCL), Stanislaus (STA) | |
| Quads: Name (Quad Code) | |
| Altamont (3712166), Bickmore Canyon (3612152), Clayton (3712188), Crevison Peak (3712122), Diablo (3712178), Eylar Mtn. (3712145), Gilroy Hot Springs (3712114), Isabel Valley (3712135), La Costa Valley (3712157), Llanada (3612058), Lone Tree Creek (3712154), Mendenhall Springs (3712156), Midway (3712165), Mt. Boardman (3712144), North Chalone Peak (3612142), San Benito (3612151), Seaside (3612157), Topo Valley (3612141) | |
Threat List Data from the CNDDB
| Threat List Total: | 8 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 9 | 32 % | |
| Non-native plant impacts | 3 | 10% |
| Grazing | 2 | 7% |
| Agriculture | 1 | 3% |
| Feral pigs | 1 | 3% |
| ORV activity | 1 | 3% |
| Recreational use (non-ORV) | 1 | 3% |
| Road/trail construction/maint. | 1 | 3% |
| Wood cutting or brush clearing | 1 | 3% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 January 2025].