Taxon Report
Echinocereus engelmannii (Parry) Ruempler var. howei L. BensonHowe's hedgehog cactus |
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Taxon Summary
Echinocereus engelmannii var. howei, commonly known as Howe's hedgehog cactus, is a perennial stem in the Cactaceae that is found only in California. It occurs within Mojavean desert scrub, growing at elevations from 430 to 775 meters. Echinocereus engelmannii var. howei is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Echinocereus engelmannii (Parry) Ruempler var. howei L. Benson |
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Common Name: |
Howe's hedgehog cactus |
| Family: | Cactaceae |
| Element Code: | PDCAC06035 |
| USDA Plants Symbol: | ECENH |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial stem |
| Blooming Period: Apr-May | Apr-May |
| Elevation: | 430-775 (1410-2545) |
| General Habitats: | Mojavean desert scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G5T1 |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S |
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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: True | |
| California Counties and Islands: Name (Code) | |
| San Bernardino (SBD) | |
| Quads: Name (Quad Code) | |
| Bannock (3411487), Goffs (3411581) | |
Threat List Data from the CNDDB
| Threat List Total: | 2 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 3 | 100 % | |
| Over-collecting/poaching | 3 | 100% |
| Other | 1 | 33% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 13 November 2025].