Taxon Report
Eriogonum umbellatum Torrey var. bahiiforme (Torrey & A. Gray) Jepsonbay buckwheat |
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Taxon Summary
Eriogonum umbellatum var. bahiiforme, commonly known as bay buckwheat, is a perennial herb in the Polygonaceae that is found only in California. It occurs within Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 700 to 2200 meters. Eriogonum umbellatum var. bahiiforme is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.Classification
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Scientific Name: |
Eriogonum umbellatum Torrey var. bahiiforme (Torrey & A. Gray) Jepson |
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Common Name: |
bay buckwheat |
| Family: | Polygonaceae |
| Element Code: | PDPGN086UB |
| USDA Plants Symbol: | ERUMB |
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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: | 700-2200 (2295-7220) |
| General Habitats: | Cismontane woodland, Lower montane coniferous forest |
| Microhabitat: | Rocky, Serpentine (often) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.2 |
| Global Rank: | G5T3 |
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State Rank: |
S3 |
| 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: | 0 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Alameda (ALA), Colusa (COL), Contra Costa (CCA), Glenn (GLE), Mendocino (MEN), Monterey (MNT), Napa (NAP), San Benito (SBT), Santa Barbara (SBA), Santa Clara (SCL), Sonoma (SON), Tehama (TEH) | |
| Quads: Name (Quad Code) | |
| Cedar Mtn. (3712155), Clayton (3712188), Crockett Peak (3912247), Detert Reservoir (3812265), Diablo (3712178), Fouts Springs (3912236), Gilmore Peak (3912235), Hull Mountain (3912258), Idria (3612046), La Costa Valley (3712157), Lick Observatory (3712136), Lodoga (3912234), Mark West Springs (3812256), Mendenhall Springs (3712156), Mendocino Pass (3912278), Niles (3712158), Plaskett Meadows (3912267), San Benito Mtn. (3612036), San Rafael Mtn. (3411967), Sanhedrin Mtn. (3912351), Santa Rita Peak (3612035), South Yolla Bolly (4012217), Tassajara (3712177), Tassajara Hot Springs (3612125), Ventana Cones (3612136) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Selected References
| USFS Potential Species of Conservation Concern Profile |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 February 2025].