Taxon Report
Eriogonum wrightii Benth. var. olanchense (J.T. Howell) Rev.Olancha Peak buckwheat |
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Taxon Summary
Eriogonum wrightii var. olanchense, commonly known as Olancha Peak buckwheat, is a perennial herb in the Polygonaceae that is found only in California. It occurs within Alpine boulder and rock field, Subalpine coniferous forest (gravelly, and rocky), growing at elevations from 3260 to 3535 meters. Eriogonum wrightii var. olanchense is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Eriogonum wrightii Benth. var. olanchense (J.T. Howell) Rev. |
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Common Name: |
Olancha Peak buckwheat |
| Family: | Polygonaceae |
| Element Code: | PDPGN086D3 |
| USDA Plants Symbol: | ERWRO |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Jul-Sep | Jul-Sep |
| Elevation: | 3260-3535 (10695-11600) |
| General Habitats: | Alpine boulder and rock field, Subalpine coniferous forest |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.3 |
| Global Rank: | G5T2 |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 2 |
| Element Occurrence Ranks: | |
| Excellent (A) | 2 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Inyo (INY), Tulare (TUL) | |
| Quads: Name (Quad Code) | |
| Haiwee Pass (3611821), Olancha (3611831) | |
Threat List Data from the CNDDB
| Threat List Total: | 1 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 2 | 100 % | |
| Other | 2 | 100% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 6 December 2025].