North America Native Plant

Cimarron Buckwheat

Botanical name: Eriogonum aliquantum

USDA symbol: ERAL11

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Cimarron Buckwheat: A Rare New Mexico Native Worth Protecting If you’re a native plant enthusiast with a passion for conservation, you might want to learn about Cimarron buckwheat (Eriogonum aliquantum). This little-known annual wildflower represents one of nature’s more exclusive offerings – a plant so rare that encountering it in ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Cimarron Buckwheat: A Rare New Mexico Native Worth Protecting

If you’re a native plant enthusiast with a passion for conservation, you might want to learn about Cimarron buckwheat (Eriogonum aliquantum). This little-known annual wildflower represents one of nature’s more exclusive offerings – a plant so rare that encountering it in the wild is like finding a botanical treasure.

What Makes Cimarron Buckwheat Special?

Cimarron buckwheat is an annual forb, meaning it completes its entire life cycle in just one growing season. As a member of the diverse buckwheat family, it shares characteristics with its more common cousins but maintains its own unique identity. This herbaceous plant lacks the woody stems of shrubs and trees, instead producing soft, green growth that emerges fresh each year.

What truly sets this species apart is its rarity. With a Global Conservation Status of S3, Cimarron buckwheat is considered vulnerable throughout its range. Scientists estimate there are typically only 21 to 100 known occurrences of this species, with total populations ranging between 3,000 to 10,000 individual plants worldwide.

Where Does It Call Home?

This exclusive native has chosen New Mexico as its sole residence within the United States. Unlike many widespread wildflowers that you might find across multiple states, Cimarron buckwheat has put all its eggs in one geographical basket, making it a true New Mexican endemic.

Should You Grow Cimarron Buckwheat?

Here’s where things get interesting – and important. While the idea of growing a rare native plant might appeal to your inner plant collector, Cimarron buckwheat’s vulnerable status means we need to approach it with extra care and responsibility.

If you’re considering growing this species, please keep these points in mind:

  • Only obtain seeds or plants from reputable, conservation-minded sources
  • Never collect seeds or plants from wild populations
  • Consider this plant only if you’re committed to proper native plant stewardship
  • Focus on supporting conservation efforts for this species in its natural habitat

Growing Conditions and Care

As with many rare native plants, specific cultivation information for Cimarron buckwheat is limited. What we do know is that as an annual forb native to New Mexico, it likely thrives in the state’s characteristic arid to semi-arid conditions. Most buckwheat species prefer:

  • Well-draining soils
  • Full sun exposure
  • Minimal supplemental watering once established
  • Rocky or sandy soil conditions

However, without specific research on this particular species, growing Cimarron buckwheat successfully would require careful observation and possibly some trial and error.

Conservation Over Cultivation

Rather than focusing solely on how to grow this rare plant, consider how you can support its conservation. The best way to help Cimarron buckwheat thrive is to:

  • Support organizations working to protect New Mexico’s native plant habitats
  • Choose other, more common buckwheat species for your garden
  • Advocate for the protection of the specific ecosystems where this plant naturally occurs
  • Spread awareness about rare native plants and their conservation needs

Alternative Buckwheat Options

If you’re drawn to the buckwheat family but want to choose a less vulnerable species, consider other Eriogonum species that are more widely available and better suited to cultivation. Many buckwheat relatives offer similar ecological benefits without the conservation concerns.

Cimarron buckwheat reminds us that not every native plant is meant for our gardens – sometimes the most meaningful way to appreciate a species is to ensure it continues thriving in its natural home. In the world of native gardening, knowing when not to grow something can be just as important as knowing how to grow it.

Cimarron 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 aliquantum Reveal - Cimarron buckwheat

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