North America Native Plant

Elsinore Buckwheat

Botanical name: Eriogonum ostlundii

USDA symbol: EROS

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Eriogonum batemanii M.E. Jones var. ostlundii (M.E. Jones) S.L. Welsh (ERBAO)  âš˜  Eriogonum spathuiforme Rydb. (ERSP12)  âš˜  Eriogonum spathulatum A. Gray ssp. spathuiforme (Rydb.) S. Stokes (ERSPS7)   

Elsinore Buckwheat: A Rare Utah Native Worth Protecting Meet Elsinore buckwheat (Eriogonum ostlundii), one of Utah’s most exclusive native wildflowers. This little-known perennial forb is so special that it calls only the Beehive State home, making it a true botanical treasure for native plant enthusiasts and conservation-minded gardeners. What Makes ...

Rare plant alert!

Region: Conservation status by state

Status: S3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Elsinore Buckwheat: A Rare Utah Native Worth Protecting

Meet Elsinore buckwheat (Eriogonum ostlundii), one of Utah’s most exclusive native wildflowers. This little-known perennial forb is so special that it calls only the Beehive State home, making it a true botanical treasure for native plant enthusiasts and conservation-minded gardeners.

What Makes Elsinore Buckwheat Special?

Elsinore buckwheat belongs to the diverse wild buckwheat family, known scientifically as Eriogonum. As a perennial forb, this herbaceous plant lacks woody stems but returns year after year from its root system. What sets this species apart is its incredibly limited range – you won’t find it growing wild anywhere except Utah.

The plant has had quite the taxonomic journey, previously known by several scientific synonyms including Eriogonum batemanii var. ostlundii and Eriogonum spathuiforme, reflecting botanists’ evolving understanding of this unique species.

Geographic Distribution and Native Status

As a true Utah endemic, Elsinore buckwheat represents the kind of specialized native flora that makes regional ecosystems so fascinating. Its limited distribution within Utah makes it a plant of particular interest to native plant enthusiasts and conservationists alike.

Important Conservation Considerations

Rarity Alert: Elsinore buckwheat carries a Global Conservation Status of S3Q, indicating undefined conservation concern. This rarity status means that if you’re considering adding this plant to your garden, responsible sourcing is absolutely essential.

Here’s what this means for gardeners:

  • Never collect plants or seeds from wild populations
  • Only obtain plants from reputable native plant nurseries with documented cultivated sources
  • Consider this plant only if you’re committed to supporting native plant conservation
  • Contact local native plant societies or botanical gardens for guidance on responsible sourcing

Garden Suitability and Growing Challenges

Let’s be honest – Elsinore buckwheat isn’t your typical garden center find, and there’s a good reason for that. Limited cultivation information exists for this species, likely due to its specialized habitat requirements and conservation status.

As a Utah endemic, this plant has evolved to thrive in very specific conditions found in its native range. Without detailed horticultural research, successfully growing Elsinore buckwheat outside its natural habitat presents significant challenges.

Ecological Value and Pollinator Benefits

While specific data on Elsinore buckwheat’s wildlife benefits remains limited, wild buckwheats as a group are renowned for their value to pollinators. These plants typically produce abundant small flowers that attract a variety of beneficial insects, from native bees to butterflies.

In its natural habitat, Elsinore buckwheat likely plays an important role in supporting local pollinator populations and maintaining ecosystem balance – yet another reason why protecting its wild populations matters.

The Bottom Line for Gardeners

Should you plant Elsinore buckwheat? The answer depends on your gardening goals and commitment to conservation. If you’re a dedicated native plant enthusiast with access to responsibly sourced plants and the expertise to meet its likely specialized needs, it could be a meaningful addition to a conservation garden.

However, for most gardeners, especially those outside Utah, supporting this species’ conservation might be better achieved by:

  • Choosing other native buckwheat species appropriate to your region
  • Supporting organizations working to protect rare native plants
  • Creating habitat for pollinators using well-documented native species

Alternative Native Buckwheats

If you’re drawn to the buckwheat family but live outside Utah or want a more garden-friendly option, consider researching Eriogonum species native to your region. Many wild buckwheats offer excellent pollinator value with better cultivation information and availability.

Remember, the best native garden is one that supports local ecosystems while respecting the rarity and specialized needs of plants like Elsinore buckwheat. Sometimes the most impactful thing we can do is admire these botanical treasures in their natural settings and work to protect the wild spaces they call home.

Elsinore Buckwheat

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Polygonales

Family

Polygonaceae Juss. - Buckwheat family

Genus

Eriogonum Michx. - buckwheat

Species

Eriogonum ostlundii M.E. Jones - Elsinore buckwheat

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA