North America Native Plant

Middle Butte Bladderpod

Botanical name: Lesquerella obdeltata

USDA symbol: LEOB13

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Middle Butte Bladderpod: A Rare Idaho Native Worth Protecting If you’re passionate about native plants and conservation, you might be intrigued by the Middle Butte bladderpod (Lesquerella obdeltata). This little-known perennial forb represents one of Idaho’s botanical treasures – and one of its rarest plants. While it’s not likely to ...

Rare plant alert!

Region: Conservation status by state

Status: S1S3: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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 ⚘

Middle Butte Bladderpod: A Rare Idaho Native Worth Protecting

If you’re passionate about native plants and conservation, you might be intrigued by the Middle Butte bladderpod (Lesquerella obdeltata). This little-known perennial forb represents one of Idaho’s botanical treasures – and one of its rarest plants. While it’s not likely to become your garden’s showstopper anytime soon, understanding this species helps us appreciate the incredible diversity of native flora in the American West.

What Makes Middle Butte Bladderpod Special?

Middle Butte bladderpod belongs to the mustard family and shares the characteristic small, often yellow flowers typical of bladderpods. As a perennial forb, it lacks woody tissue and dies back to ground level each winter, returning from its root system when conditions are favorable. Like other members of the Lesquerella genus, it likely produces the distinctive inflated seed pods that give bladderpods their common name.

Where Does It Call Home?

This rare native is found exclusively in Idaho, making it a true endemic species. Its extremely limited geographic distribution contributes to its conservation concern – when a plant exists in only one state, any habitat disturbance can have serious consequences for the entire species.

Conservation Status: Handle with Care

Here’s where things get serious. Middle Butte bladderpod has a Global Conservation Status of S1S3, indicating it’s either critically imperiled or vulnerable throughout its range. This rarity status means that if you’re considering this plant for your garden, you need to proceed with extreme caution.

Important: Only obtain this plant through responsible sources that can verify the material wasn’t collected from wild populations. Better yet, consider supporting conservation efforts for this species rather than trying to grow it yourself.

Garden Potential and Growing Challenges

Unfortunately, detailed growing information for Middle Butte bladderpod is scarce – a common situation with rare, localized species that haven’t been extensively studied or cultivated. What we do know suggests it’s adapted to Idaho’s specific climate and soil conditions, which may be difficult to replicate elsewhere.

If you’re drawn to the idea of growing native bladderpods, consider these more readily available alternatives:

  • Lesquerella fendleri (Fendler’s bladderpod)
  • Lesquerella gordonii (Gordon’s bladderpod)
  • Other native mustard family plants suited to your region

Supporting Conservation

Rather than trying to grow this rare species, consider these ways to support Middle Butte bladderpod conservation:

  • Support organizations working on Idaho native plant conservation
  • Advocate for habitat protection in Idaho
  • Grow other native Idaho plants that are more common and available
  • Learn about and share information about rare plant conservation

The Bigger Picture

Middle Butte bladderpod reminds us that not every native plant is meant for our gardens – some are too rare, too specialized, or too important in their natural habitats to risk in cultivation. By respecting these limitations and focusing our gardening efforts on more common native species, we can still create beautiful, ecologically valuable landscapes while protecting our rarest botanical treasures.

Sometimes the best way to appreciate a plant is to ensure it continues thriving in its natural home, where it belongs.

Middle Butte 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 obdeltata Rollins - Middle Butte bladderpod

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