Taxon Report
Eriogonum apricum J.T. Howell var. apricumIone buckwheat |
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Taxon Summary
Eriogonum apricum var. apricum, commonly known as Ione buckwheat, is a perennial herb in the Polygonaceae that is found only in California. It occurs within Chaparral (openings, and Ione soil), growing at elevations from 60 to 145 meters. Eriogonum apricum var. apricum is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Eriogonum apricum J.T. Howell var. apricum |
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Common Name: |
Ione buckwheat |
| Family: | Polygonaceae |
| Element Code: | PDPGN080F1 |
| USDA Plants Symbol: | ERAPA |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jul-Oct | Jul-Oct |
| Elevation: | 60-145 (195-475) |
| General Habitats: | Chaparral |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G2T1 |
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State Rank: |
S1 |
| State List: | CE |
| Fed List: | FE |
| Other Status: | SB_UCBG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 6 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 4 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Amador (AMA) | |
| Quads: Name (Quad Code) | |
| Carbondale (3812141), Ione (3812038) | |
Threat List Data from the CNDDB
| Threat List Total: | 8 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 6 | 100 % | |
| ORV activity | 3 | 50% |
| Other | 2 | 33% |
| Road/trail construction/maint. | 2 | 33% |
| Vandalism/dumping/litter | 2 | 33% |
| Mining | 2 | 33% |
| Recreational use (non-ORV) | 1 | 16% |
| Development | 1 | 16% |
| Improper burning regime | 1 | 16% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 18 September 2025].