Taxon Report
Eriastrum luteum (Benth.) Masonyellow-flowered eriastrum |
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Taxon Summary
Eriastrum luteum, commonly known as yellow-flowered eriastrum, is a annual herb in the Polemoniaceae that is found only in California. It occurs within Broadleafed upland forest, Chaparral, and Cismontane woodland, growing at elevations from 290 to 1000 meters. Eriastrum luteum is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Eriastrum luteum (Benth.) Mason |
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Common Name: |
yellow-flowered eriastrum |
| Family: | Polemoniaceae |
| Element Code: | PDPLM03080 |
| USDA Plants Symbol: | ERLU3 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: May-Jun | May-Jun |
| Elevation: | 290-1000 (950-3280) |
| General Habitats: | Broadleafed upland forest, Chaparral, Cismontane woodland |
| Microhabitat: | Gravelly (sometimes), Sandy (sometimes) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; USFS_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 34 |
| Element Occurrence Ranks: | |
| Excellent (A) | 5 |
| Good (B) | 4 |
| Fair (C) | 3 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 21 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Monterey (MNT), San Luis Obispo (SLO) | |
| Quads: Name (Quad Code) | |
| Adelaida (3512067), Alder Peak (3512183), Atascadero (3512046), Bear Canyon (3612113), Bryson (3512171), Burnett Peak (3512172), Hames Valley (3512088), Jolon (3512182), Lime Mountain (3512068), Pebblestone Shut-in (3512161), Santa Margarita (3512045), Santa Margarita Lake (3512034), Templeton (3512056), Tierra Redonda Mountain (3512078), Williams Hill (3512181), Wilson Corner (3512044) | |
Threat List Data from the CNDDB
| Threat List Total: | 11 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 16 | 47 % | |
| Other | 6 | 17% |
| Road/trail construction/maint. | 3 | 8% |
| Wood cutting or brush clearing | 3 | 8% |
| Development | 3 | 8% |
| ORV activity | 3 | 8% |
| Grazing | 2 | 5% |
| Military operations | 2 | 5% |
| Mining | 1 | 2% |
| Non-native plant impacts | 1 | 2% |
| Dam/Inundation | 1 | 2% |
| Erosion/runoff | 1 | 2% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 November 2025].