North America Native Plant

Shortstem Buckwheat

Botanical name: Eriogonum brevicaule var. micranthum

USDA symbol: ERBRM

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Eriogonum brevicaule Nutt. ssp. orendense (A. Nelson) S. Stokes (ERBRO)   

Shortstem Buckwheat: A Rare Wyoming Native Worth Protecting Meet shortstem buckwheat (Eriogonum brevicaule var. micranthum), a charming perennial that’s as rare as it is resilient. This little-known native wildflower might not be the showiest plant in your garden, but it carries the unique distinction of being found naturally in just ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Shortstem Buckwheat: A Rare Wyoming Native Worth Protecting

Meet shortstem buckwheat (Eriogonum brevicaule var. micranthum), a charming perennial that’s as rare as it is resilient. This little-known native wildflower might not be the showiest plant in your garden, but it carries the unique distinction of being found naturally in just one state: Wyoming. If you’re passionate about supporting local ecosystems and preserving rare plants, this buckwheat variety deserves a spot on your radar.

What Makes Shortstem Buckwheat Special?

Shortstem buckwheat belongs to the diverse Eriogonum genus, commonly known as wild buckwheats. As its name suggests, this variety is characterized by its compact, low-growing habit. It’s technically classified as a forb—a flowering plant that lacks woody stems above ground and stores its energy in underground parts to survive harsh winters.

This perennial has earned a Global Conservation Status of S4T3, which indicates it’s relatively uncommon and worth monitoring. While not critically endangered, its limited range makes every garden planting potentially meaningful for conservation efforts.

Where Does It Come From?

Shortstem buckwheat is native to the United States, specifically calling Wyoming home. This makes it a true regional specialty—a plant that has evolved to thrive in the unique conditions of the Rocky Mountain state. Its limited geographic distribution adds to both its rarity and its value as a authentic local native.

Should You Grow Shortstem Buckwheat?

The answer depends on your gardening goals and location. Here’s what to consider:

Reasons to Plant It:

  • Support native biodiversity and local ecosystems
  • Contribute to conservation efforts for a relatively uncommon plant
  • Add authentic Wyoming character to your landscape
  • Enjoy a low-maintenance perennial once established
  • Connect with your region’s natural heritage

Important Considerations:

  • Limited availability due to its rarity status
  • Only appropriate for gardens in or near its natural range
  • Must source from responsible, ethical suppliers
  • May not provide dramatic ornamental impact compared to showier natives

Responsible Sourcing is Critical

Given shortstem buckwheat’s rarity status, it’s absolutely essential to source this plant responsibly. Never collect seeds or plants from wild populations, as this can harm already limited natural communities. Instead:

  • Purchase only from reputable native plant nurseries
  • Verify that plants are nursery-propagated, not wild-collected
  • Consider participating in seed swaps with other ethical native plant enthusiasts
  • Support conservation organizations working to protect rare Wyoming natives

Growing Conditions and Care

While specific growing requirements for this variety aren’t well-documented, most Eriogonum species share similar preferences that likely apply to shortstem buckwheat:

  • Well-draining soil (essential—buckwheats hate wet feet)
  • Full sun exposure
  • Low to moderate water needs once established
  • Rocky or sandy soil conditions
  • Cold-hardy perennial suitable for mountain climates

As a Wyoming native, this plant is naturally adapted to harsh winters, intense sun, and challenging growing conditions that would stress many garden plants.

Garden Design Ideas

Shortstem buckwheat works best in:

  • Native plant gardens focusing on regional species
  • Rock gardens and xeriscapes
  • Wildlife habitat restoration projects
  • Educational gardens showcasing rare local flora
  • Low-maintenance landscapes that celebrate natural beauty

The Bottom Line

Shortstem buckwheat isn’t for every gardener or every garden. Its rarity status means it requires thoughtful consideration and responsible sourcing. However, for gardeners in Wyoming or nearby regions who are passionate about native plants and conservation, growing this uncommon perennial can be a meaningful way to support local biodiversity.

Remember: the best native garden is one that works with, rather than against, your local ecosystem. If you’re outside shortstem buckwheat’s natural range, consider exploring the many other beautiful Eriogonum species native to your specific region instead.

Shortstem 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 brevicaule Nutt. - shortstem buckwheat

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