North America Native Plant

Tum Bladderpod

Botanical name: Lesquerella rubicundula

USDA symbol: LERU4

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Lesquerella hitchcockii Munz ssp. rubicundula (Rollins) Maguire & A.H. Holmgren (LEHIR)  âš˜  Lesquerella tumulosa (Barneby) Reveal (LETU)   

Tum Bladderpod: A Rare Desert Gem Worth Protecting If you’re passionate about native plants and conservation, the tum bladderpod (Lesquerella rubicundula) might just capture your heart. This little-known perennial forb is one of those special plants that reminds us why protecting native species matters—and why sometimes the rarest flowers are ...

Rare plant alert!

Region: United States

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘ Uncertain taxonomy: ⚘ 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) ⚘ Endangered: In danger of extinction throughout all or a significant portion of its range. ⚘

Region: United States

Region: United States

Tum Bladderpod: A Rare Desert Gem Worth Protecting

If you’re passionate about native plants and conservation, the tum bladderpod (Lesquerella rubicundula) might just capture your heart. This little-known perennial forb is one of those special plants that reminds us why protecting native species matters—and why sometimes the rarest flowers are the most precious.

What Makes Tum Bladderpod Special?

Tum bladderpod is a native wildflower that belongs to the mustard family, and like many of its relatives, it produces cheerful yellow blooms. As a perennial forb, this plant lacks woody stems but returns year after year, making it a reliable (if rare) addition to the right garden setting.

Where Does It Call Home?

This desert native has a very limited natural range, growing only in Nevada and Utah. Its restricted distribution is part of what makes it so special—and so vulnerable. The plant has adapted to the unique conditions of the Great Basin region, where it has learned to thrive in challenging desert and semi-arid environments.

Important Conservation Alert

Before considering this plant for your garden, here’s what you need to know: Tum bladderpod has a Global Conservation Status of S3, meaning it’s considered Vulnerable. In some areas, including Kodachrome, it’s actually listed as Endangered. This means the plant is at risk in the wild.

If you’re interested in growing tum bladderpod, please only source it from reputable native plant nurseries that propagate their stock responsibly—never collect from wild populations. Better yet, consider supporting conservation efforts for this species while choosing more common native alternatives for your garden.

Garden Potential and Growing Conditions

While specific growing information for Lesquerella rubicundula is limited due to its rarity, we can make some educated guesses based on its native habitat and related species:

  • Garden style: Best suited for xeriscaping, rock gardens, or specialized native plant collections
  • Growing conditions: Likely prefers well-draining soil, full sun, and minimal water once established
  • Climate: Adapted to desert conditions with hot, dry summers and cold winters
  • Hardiness: Probably suitable for USDA zones 4-8, based on its native range

Ecological Value

Like other members of the mustard family, tum bladderpod likely provides nectar and pollen for native bees and other small pollinators during its blooming period. Every native plant, no matter how small or rare, plays a role in supporting local ecosystems.

Should You Grow It?

Here’s the honest truth: unless you’re a serious native plant collector with access to responsibly propagated plants, you might want to admire tum bladderpod from afar while supporting its conservation in other ways. Instead, consider these more readily available native alternatives that offer similar benefits:

  • Other Lesquerella species that are more common in cultivation
  • Desert marigold (Baileya multiradiata) for yellow desert blooms
  • Blanket flower (Gaillardia species) for drought-tolerant color

Supporting Conservation

The best way to help tum bladderpod might be supporting organizations that work to protect its natural habitat rather than trying to grow it in your garden. Sometimes loving a plant means letting it thrive where it belongs while we do our part to protect those special places.

Remember, every native plant tells a story about the unique places they call home. Tum bladderpod’s story is one of adaptation, rarity, and the importance of conservation—making it a plant worth knowing about, even if we can’t all grow it ourselves.

Tum 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 rubicundula Rollins - tum bladderpod

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