Taxon Report
Delphinium scaposum Greenebare-stem larkspur |
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Taxon Summary
Delphinium scaposum, commonly known as bare-stem larkspur, is a perennial herb in the Ranunculaceae that is found in California and elsewhere. It occurs within Sonoran desert scrub, growing at elevations from 270 to 1055 meters. Delphinium scaposum is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Delphinium scaposum Greene |
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Common Name: |
bare-stem larkspur |
| Family: | Ranunculaceae |
| Element Code: | PDRAN0B1M0 |
| USDA Plants Symbol: | DESC |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Mar-Apr | Mar-Apr |
| Elevation: | 270-1055 (885-3460) |
| General Habitats: | Sonoran desert scrub |
| Microhabitat: | Rocky, Washes (sometimes) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 2B.3 |
| Global Rank: | G5 |
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State Rank: |
S1 |
| 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: | 3 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 3 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| San Bernardino (SBD) | |
| Quads: Name (Quad Code) | |
| Gene Wash (3411432), Whipple Mts. SW (3411434) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | % | |
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Notes
| Known in California from the Whipple Mountains. See Botanical Gazette VI:156-157 (1881) for original description, Flora of North America 3:215 (1997) and Univ. Colorado Stud., Ser. D, Phys. Sci 2:55-244 (1945) for taxonomic treatment, and Madroño 52(2): 125-126 (2005) for information on first records in CA. |
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Threats: |
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Taxonomy: |
Selected References
| CRPR List Addition on 2006-03-01 |
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 November 2025].