North America Native Plant

King Bladderpod

Botanical name: Lesquerella kingii bernardina

USDA symbol: LEKIB

Life cycle: biennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Lesquerella bernardina Munz (LEBE2)  âš˜  Physaria kingii (S. Watson) O'Kane & Al-Shehbaz ssp. bernardina (Munz) O'Kane & Al-Shehbaz (PHKIB)   

King Bladderpod: A Rare California Native That Belongs in the Wild Meet the King bladderpod (Lesquerella kingii bernardina), a remarkable little plant that calls California’s rugged landscapes home. But before you start planning where to put this native beauty in your garden, there’s something important you need to know about ...

Rare plant alert!

Region: United States

Status: S5T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ 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. ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

King Bladderpod: A Rare California Native That Belongs in the Wild

Meet the King bladderpod (Lesquerella kingii bernardina), a remarkable little plant that calls California’s rugged landscapes home. But before you start planning where to put this native beauty in your garden, there’s something important you need to know about this special wildflower.

What Makes King Bladderpod Special

King bladderpod is a native California forb, which is just a fancy way of saying it’s a non-woody flowering plant that grows close to the ground. Unlike shrubs or trees, this plant doesn’t develop thick, woody stems – instead, it stays relatively low and herbaceous. As a biennial or perennial, it can live for several years, returning season after season when conditions are right.

You might also see this plant referred to by its scientific synonyms, including Lesquerella bernardina or Physaria kingii subspecies bernardina, as botanists have reclassified it over the years.

Where King Bladderpod Lives

This subspecies is found exclusively in California, making it a true Golden State endemic. Its distribution is quite limited within the state, adding to its conservation significance.

Why You Shouldn’t Plant King Bladderpod (And What to Do Instead)

Here’s the crucial information every gardener needs to know: King bladderpod is listed as Endangered in the San Bernardino Mountains, with a concerning global conservation status. This means the plant is at serious risk of extinction in the wild.

What this means for gardeners:

  • This plant should remain in its natural habitat, not in home gardens
  • Collecting seeds or plants from the wild could further threaten wild populations
  • Even well-intentioned cultivation could potentially harm conservation efforts
  • There are no known commercial sources for this rare subspecies

Supporting Conservation Instead

While you can’t (and shouldn’t) grow King bladderpod in your garden, you can still support California’s native plant heritage in other ways:

  • Choose other native California wildflowers that are more common and available from reputable nurseries
  • Support habitat conservation by donating to organizations working to protect California’s natural areas
  • Learn about native plant communities and the important role rare species play in ecosystems
  • Visit natural areas where native plants grow wild (but always observe from a distance and never collect)

Better Alternatives for Your Native Garden

If you’re drawn to the idea of growing California native forbs with similar characteristics, consider these more readily available alternatives:

  • Other Lesquerella species that are not endangered and available from specialty nurseries
  • California poppies for bright, cheerful wildflower displays
  • Lupines for their distinctive flower spikes and nitrogen-fixing abilities
  • Penstemons for their attractive flowers and pollinator appeal

The Bigger Picture

King bladderpod serves as a reminder of California’s incredible botanical diversity and the importance of protecting rare plants in their natural habitats. While we can’t invite this particular species into our gardens, we can appreciate its role in the ecosystem and work to ensure it survives for future generations to discover and admire in the wild.

By choosing abundant native alternatives for our gardens and supporting conservation efforts, we can create beautiful landscapes while also being responsible stewards of California’s rare botanical treasures.

King 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 kingii S. Watson - King bladderpod

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