North America Native Plant

Protruding Buckwheat

Botanical name: Eriogonum nudum var. indictum

USDA symbol: ERNUI

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Eriogonum latifolium Sm. var. indictum (Jeps.) S. Stokes (ERLAI3)   

Protruding Buckwheat: A Rare California Native Worth Knowing Meet protruding buckwheat (Eriogonum nudum var. indictum), a fascinating California native that deserves a spot on every native plant enthusiast’s radar. While this perennial forb might not be as well-known as some of its buckwheat cousins, it offers unique value for gardeners ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3: 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. ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Protruding Buckwheat: A Rare California Native Worth Knowing

Meet protruding buckwheat (Eriogonum nudum var. indictum), a fascinating California native that deserves a spot on every native plant enthusiast’s radar. While this perennial forb might not be as well-known as some of its buckwheat cousins, it offers unique value for gardeners looking to support their local ecosystem with truly native plants.

What Makes This Plant Special

Protruding buckwheat is a perennial forb, which means it’s a non-woody plant that returns year after year. As part of the diverse buckwheat family, it shares the family’s reputation for being tough, drought-tolerant, and beneficial to pollinators. This particular variety is endemic to California, making it a true regional treasure.

Where You’ll Find It Growing Wild

This native beauty calls California home exclusively. Within the Golden State, protruding buckwheat has carved out its own special niche in the diverse California landscape. As a variety of the more widespread naked buckwheat, it represents the incredible plant diversity that makes California flora so remarkable.

A Word About Rarity

Here’s something important to know: protruding buckwheat has a Global Conservation Status of S5T3, which indicates it may face some conservation challenges. If you’re interested in adding this plant to your garden, please ensure you source it responsibly from reputable native plant nurseries or seed suppliers who propagate their stock rather than collecting from wild populations.

Why Consider This Plant for Your Garden

As a native California perennial, protruding buckwheat offers several advantages:

  • Supports local ecosystem health and biodiversity
  • Adapted to California’s unique climate conditions
  • Requires minimal water once established, like most buckwheat family members
  • Contributes to preserving rare plant genetics in cultivation
  • Adds authentic regional character to native plant gardens

Growing Conditions and Care

While specific growing information for this variety is limited, we can draw from the broader buckwheat family’s preferences. Most Eriogonum species thrive in:

  • Well-draining soil (essential for preventing root rot)
  • Full sun to partial shade conditions
  • Minimal summer water once established
  • Rocky or sandy soil types that mimic natural habitat

Like many California natives, this plant likely performs best with a Mediterranean-style watering schedule—more moisture during the cooler months and a dry summer dormancy period.

Garden Design Ideas

Protruding buckwheat works beautifully in:

  • Native plant gardens focused on California species
  • Rock gardens and xeriscapes
  • Wildlife habitat gardens
  • Conservation gardens that showcase rare species
  • Educational landscapes that highlight regional biodiversity

The Bottom Line

While protruding buckwheat may not be the showiest plant in your garden, it offers something more valuable: a connection to California’s unique botanical heritage. By growing this rare native, you’re not just adding another plant to your landscape—you’re participating in conservation and supporting the complex web of life that makes California ecosystems so special.

If you can find this plant through responsible sources, it’s definitely worth adding to your collection of California natives. Just remember to give it the well-draining conditions and minimal summer water that most buckwheat family members prefer, and you’ll be rewarded with a piece of living California history in your own backyard.

Protruding 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 nudum Douglas ex Benth. - naked buckwheat

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