Taxon Report
Delphinium hutchinsoniae EwanHutchinson's larkspur |
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Species Description:
Delphinium hutchinsoniae, commonly known as Hutchinson's larkspur, is a perennial herb in the Ranunculaceae that is found only in California. It occurs within Broadleafed upland forest, Chaparral, Coastal prairie, and Coastal scrub, growing at elevations from 0 to 427 meters. Delphinium hutchinsoniae 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 hutchinsoniae Ewan |
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Common Name: |
Hutchinson's larkspur |
| Family: | Ranunculaceae |
| Element Code: | PDRAN0B0V0 |
| USDA Plants Symbol: | DEHU |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Mar-Jun | Mar-Jun |
| Elevation: | 0-427 (0-1400) |
| General Habitats: | Broadleafed upland forest, Chaparral, Coastal prairie, Coastal scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_UCSC; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 27 |
| Element Occurrence Ranks: | |
| Excellent (A) | 4 |
| Good (B) | 4 |
| Fair (C) | 7 |
| Poor (D) | 1 |
| None (X) | 2 |
| Unknown (U) | 9 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Monterey (MNT) | |
| Quads: Name (Quad Code) | |
| Big Sur (3612137), Cone Peak (3612114), Lopez Point (3612115), Monterey (3612158), Mt. Carmel (3612147), Partington Ridge (3612126), Pfeiffer Point (3612127), Point Sur (3612138), Soberanes Point (3612148), Spreckels (3612156) | |
Threat List Data from the CNDDB
| Threat List Total: | 10 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 16 | 59 % | |
| Road/trail construction/maint. | 7 | 25% |
| Grazing | 6 | 22% |
| Erosion/runoff | 5 | 18% |
| Development | 3 | 11% |
| Non-native plant impacts | 3 | 11% |
| Other | 2 | 7% |
| Biocides | 2 | 7% |
| Foot traffic/trampling | 2 | 7% |
| Over-collecting/poaching | 1 | 3% |
| Improper burning regime | 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 15 January 2025].