North America Native Plant

Piceance Bladderpod

Botanical name: Lesquerella parviflora

USDA symbol: LEPA10

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Piceance Bladderpod: A Rare Colorado Native Worth Knowing Tucked away in the remote corners of northwestern Colorado lives one of the state’s most elusive botanical treasures: the Piceance bladderpod (Lesquerella parviflora). This small but mighty perennial represents the kind of specialized native plant that makes Colorado’s flora so unique and ...

Rare plant alert!

Region: Conservation status by state

Status: S2: 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) ⚘

Piceance Bladderpod: A Rare Colorado Native Worth Knowing

Tucked away in the remote corners of northwestern Colorado lives one of the state’s most elusive botanical treasures: the Piceance bladderpod (Lesquerella parviflora). This small but mighty perennial represents the kind of specialized native plant that makes Colorado’s flora so unique and fascinating.

What Makes Piceance Bladderpod Special?

The Piceance bladderpod is what botanists call a forb—essentially a non-woody flowering plant that dies back to ground level each winter and returns the following spring. Don’t let its humble classification fool you, though. This little plant has carved out an incredibly specific niche in one of Colorado’s most distinctive landscapes.

As a member of the mustard family, it produces cheerful clusters of small yellow flowers that bloom in early spring, often when snow still caps the surrounding peaks. The silvery-green foliage forms low rosettes that hug the ground, perfectly adapted to withstand the harsh conditions of its mountain home.

Where Does It Call Home?

Here’s where things get really interesting—and a bit concerning. The Piceance bladderpod is found exclusively in Colorado, specifically in the Piceance Basin of the northwestern part of the state. This incredibly limited range makes it what scientists call an endemic species, meaning it exists nowhere else on Earth.

A Plant in Peril

Unfortunately, this geographic exclusivity comes with serious conservation concerns. The Piceance bladderpod carries a Global Conservation Status of S2, which translates to Imperiled. This means the species faces extreme rarity and significant vulnerability to extinction, with typically only 6 to 20 known occurrences and between 1,000 to 3,000 individual plants remaining in the wild.

This rarity status is crucial information for any gardener or native plant enthusiast to understand. While we absolutely want to celebrate and preserve Colorado’s native flora, we must do so responsibly.

Could You Grow Piceance Bladderpod?

The short answer is: probably not easily, and only with extreme caution about sourcing. This plant has evolved very specific requirements that are challenging to replicate in typical garden settings:

  • Excellent drainage is absolutely critical
  • Full sun exposure
  • Dry conditions with minimal supplemental watering
  • Specialized soil conditions found in oil shale substrates
  • Cool mountain climate (likely hardy in USDA zones 4-6)

More importantly, given its imperiled status, any cultivation should only be attempted with seeds or plants that have been responsibly sourced from authorized conservation programs—never collected from wild populations.

Supporting Pollinator Communities

In its natural habitat, Piceance bladderpod plays an important role in supporting native pollinators. Its early spring blooms provide crucial nectar sources for small native bees and other pollinators when few other flowers are available in the harsh mountain environment.

Better Alternatives for Your Garden

If you’re inspired by the Piceance bladderpod but want something more practical for your Colorado garden, consider these related native alternatives:

  • Common bladderpod (Physaria vitulifera) – more widely distributed and easier to grow
  • Mountain candytuft (Noccaea montana) – another white-flowered alpine specialist
  • Rocky Mountain penstemon – for high-altitude native color

The Bigger Picture

The story of Piceance bladderpod reminds us that native gardening isn’t just about what we can grow—it’s also about understanding and respecting the intricate relationships between plants and their environments. Some species are meant to remain wild, serving as indicators of ecosystem health and reminders of nature’s incredible diversity.

While you probably won’t be adding Piceance bladderpod to your garden anytime soon, knowing about it connects you to Colorado’s remarkable botanical heritage. Every time you choose other native plants for your landscape, you’re supporting the broader web of life that makes species like this possible.

Sometimes the most important native plants are the ones we admire from afar, leaving them to thrive in the wild spaces where they belong.

Piceance Bladderpod

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Lesquerella S. Watson - bladderpod

Species

Lesquerella parviflora Rollins - Piceance bladderpod

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