North America Native Plant

Paria River Indian Breadroot

Botanical name: Pediomelum pariense

USDA symbol: PEPA41

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Psoralea pariensis S.L. Welsh & N.D. Atwood (PSPA)   

Paria River Indian Breadroot: A Rare Desert Gem Worth Protecting Meet the Paria River Indian breadroot (Pediomelum pariense), one of Utah’s most elusive native wildflowers. This perennial forb is so rare and specialized that you’re more likely to spot a desert bighorn sheep than encounter this plant in the wild. ...

Rare plant alert!

Region: Conservation status by state

Status: S2S3: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ 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 ⚘

Paria River Indian Breadroot: A Rare Desert Gem Worth Protecting

Meet the Paria River Indian breadroot (Pediomelum pariense), one of Utah’s most elusive native wildflowers. This perennial forb is so rare and specialized that you’re more likely to spot a desert bighorn sheep than encounter this plant in the wild. But don’t let its scarcity fool you – this little-known member of the legume family has a fascinating story to tell.

What Makes This Plant Special?

The Paria River Indian breadroot belongs to a group of plants once grouped under the genus Psoralea, but now classified as Pediomelum. Like other members of this genus, it’s a herbaceous perennial forb – meaning it lacks woody stems and dies back to ground level each winter, only to emerge again when conditions are right.

As a legume family member, this plant likely produces the characteristic pea-like flowers and has the ability to fix nitrogen in the soil through specialized root bacteria, making it an important ecological player in its native habitat.

Where Does It Call Home?

This plant is a true Utah endemic, found only in the state’s distinctive desert landscapes. Its common name gives us a clue about its native range – it’s associated with the Paria River area in southern Utah, a region known for its stunning red rock formations and harsh desert conditions.

The Conservation Reality Check

Here’s where things get serious. The Paria River Indian breadroot has a Global Conservation Status of S2S3, which indicates it’s rare to uncommon with limited populations. This isn’t a plant you’ll find at your local nursery, and frankly, that’s probably for the best.

Should you try to grow it? While we’re all for celebrating native plants, this particular species requires a cautious approach. If you’re absolutely determined to grow this rare beauty, please ensure any plant material comes from responsible, ethical sources – never from wild populations. Better yet, consider supporting conservation organizations working to protect its native habitat.

Desert Alternatives to Consider

If you’re drawn to the idea of growing native legumes in a desert garden, there are more readily available options that won’t put pressure on rare populations:

  • Desert lupine (Lupinus sparsiflorus)
  • Fairy duster (Calliandra eriophylla)
  • Ghost plant (Graptopetalum paraguayense) – wait, that’s not a legume!
  • Desert broom dalea (Psorothamnus scoparius)

Growing Conditions (If You Must)

While specific cultivation information for Paria River Indian breadroot is limited due to its rarity, we can make educated guesses based on its native habitat and related species:

  • Soil: Well-draining, sandy desert soils
  • Water: Minimal irrigation once established
  • Sun: Full sun exposure
  • Climate: Hot, arid conditions with cold winters

The Bottom Line

Sometimes the most responsible way to appreciate a plant is from afar. The Paria River Indian breadroot is a reminder that not every native plant belongs in our gardens – some are meant to remain wild, protected in their natural habitats for future generations to discover and admire.

Instead of trying to cultivate this rare species, consider visiting its native range (respectfully and following Leave No Trace principles) or supporting habitat conservation efforts. That’s the kind of native plant gardening that truly makes a difference.

Paria River Indian Breadroot

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Pediomelum Rydb. - Indian breadroot

Species

Pediomelum pariense (S.L. Welsh & N.D. Atwood) J. Grimes - Paria River Indian breadroot

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