Zapata Bladderpod / Center For Plant Conservation
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Plant Profile

Zapata Bladderpod (Physaria thamnophila)

Photo Credit: San Antonio Botanical Garden
  • Global Rank: G1 - Critically Imperiled
  • Legal Status: Federally Endangered
  • Family: Brassicaceae
  • State: TX
  • Nature Serve ID: 159905
  • Lifeform: Forb/herb
  • Date Inducted in National Collection: 02/09/1992

San Antonio Botanical Garden is actively working on recollecting this species.

Where is Zapata Bladderpod (Physaria thamnophila) located in the wild?


Tamaulipan thorn scrub, gravelly soils, sparsely vegetated shrublands communities of upland habitats with shallow, fast draining, highly erosional soils and semi-arid climate near the Rio Grande.



States & Provinces:

Zapata Bladderpod can be found in Texas

Which CPC Partners conserve Zapata Bladderpod (Physaria thamnophila)?

CPC's Plant Sponsorship Program provides long term stewardship of rare plants in our National Collection. We are so grateful for all our donors who have made the Plant Sponsorship Program so successful. We are in the process of acknowledging all our wonderful plant sponsorship donors on our website. This is a work in progress and will be updated regularly.

Conservation Actions

Nature Serve Biotics
  • 05/02/2017

A narrow endemic of Starr and Zapata counties in extreme southern Texas. Known from only 5 sites.

  • 01/01/2010

herbicides highway maintenence exotics - buffelgrass grazing residential development, alteration of native habitat to improved pastures, infrastructure and urban development, oil and gas development and overgrazing, the extreme rareness of the plant,

  • 01/01/2010

annual, dramatic population fluctuations from year to year 3-4 populations known from South Texas 10,000 individuals (in a good year) in 3 unprotected populations. Currently known from only four populations in Starr and Zapata Counties in southern Texas.

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Taxon Physaria thamnophila
Authority (Rollins & E.A. Shaw) O'Kane & Al-Shehbaz
Family Brassicaceae
CPC Number 2516
ITIS 823212
Duration Perennial
Common Names Zapata Bladderpod
Associated Scientific Names Lesquerella thamnophila | Physaria thamnophila
Distribution NA
State Rank
State State Rank
Texas S1
Ecological Relationships


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