''Physaria'' is a genus of flowering plants in the family Brassicaceae. Many species are known generally as twinpods, bladderpods, or lesquerella. They are native to the Americas, with many species endemic to western North America. They are densely hairy annual and perennial herbs often growing prostrate or decumbent, along the ground in patches or clumps. They bear

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

s of bright yellow flowers. The fruit is often notched deeply, dividing into twin sections, giving the genus its common name. Bladderpod oil is extracted from the seeds of ''

Physaria fendleri ''Physaria fendleri'' is a species of flowering plant in the family Brassicaceae known by several common names, including Fendler's bladderpod, popweed, and lesquerella. Distribution The plant is native to the Southwestern United States and nor ...

'' and certain other species in the genus.
U.S. Fish and Wildlife Service: Missouri Bladderpod 5-Year Review (2008) Due to the presence of both annual and perennial herbaceous members, this genus has been used as a model for allocation pattern comparisons between the annual and perennial life cycle. Many of species of ''Physaria'' were formerly included in the now-defunct genus ''

Lesquerella ''Lesquerella'' is the former name of a genus of flowering plants in the family Brassicaceae.Physaria acutifolia ''Physaria'' is a genus of flowering plants in the family Brassicaceae. Many species are known generally as twinpods, bladderpods, or lesquerella. They are native to the Americas, with many species endemic to western North America. They are dense ...

''—Sharpleaf twinpod *'' Physaria alpestris''—Washington twinpod *''

Physaria alpina ''Physaria'' is a genus of flowering plants in the family Brassicaceae. Many species are known generally as twinpods, bladderpods, or lesquerella. They are native to the Americas, with many species endemic to western North America. They are dense ...

''—Avery Peak twinpod *''

Physaria arctica ''Physaria arctica'' is a perennial flowering herb in the family Brassicaceae, known by the common name arctic bladderpod. Description Plants are 6–12 cm high with a short taproot and woody stem-base. Basal leaves, 2–6 cm and ar ...

''—Arctic bladderpod *''

Physaria argyraea ''Physaria'' is a genus of flowering plants in the family Brassicaceae. Many species are known generally as twinpods, bladderpods, or lesquerella. They are native to the Americas, with many species endemic to western North America. They are dense ...

''—Silver bladderpod *''

Physaria bellii ''Physaria bellii'' is a species of flowering plant in the family Brassicaceae known by the common names Bell's twinpod and Front Range twinpod. It is endemic to Colorado in the United States.Physaria brassicoides''—Double twinpod *'' Physaria chambersii''—Chambers' twinpod *''

Physaria condensata ''Physaria'' is a genus of flowering plants in the family Brassicaceae. Many species are known generally as twinpods, bladderpods, or lesquerella. They are native to the Americas, with many species endemic to western North America. They are dense ...

''—Tufted twinpod *'' Physaria congesta'' —Dudley Bluffs bladderpod *'' Physaria didymocarpa''—Common twinpod *''

''—Fendler's bladderpod *'' Physaria filiformis''—Missouri bladderpod *'' Physaria floribunda''—Pointtip twinpod *'' Physaria fremontii''—Fremont's bladderpod *'' Physaria geyeri''—Geyer's twinpod *'' Physaria globosa''—Globe bladderpod *'' Physaria gordonii''—Gordon's bladderpod *'' Physaria grahamii''—Graham's twinpod *'' Physaria hemiphysaria''—Intermountain bladderpod *'' Physaria integrifolia''—Bladderpod *'' Physaria kingii''—King bladderpod *'' Physaria lepidota''—Kane County twinpod *'' Physaria ludoviciana''—Foothill Bladderpod. *'' Physaria navajoensis ''—Navajo twinpod *''

Physaria obcordata ''Physaria obcordata'' is a rare species of flowering plant in the family Brassicaceae known by the common name Dudley Bluffs twinpod. It is similar in appearance to the more common Piceance twinpod, but can be distinguished by looking at the le ...

''—Dudley Bluffs twinpod (threatened) *''

Physaria occidentalis ''Physaria'' is a genus of flowering plants in the family Brassicaceae. Many species are known generally as twinpods, bladderpods, or lesquerella. They are native to the Americas, with many species endemic to western North America. They are dense ...

''—Western bladderpod *''

Physaria okanensis ''Physaria'' is a genus of flowering plants in the family Brassicaceae. Many species are known generally as twinpods, bladderpods, or lesquerella. They are native to the Americas, with many species endemic to western North America. They are dens ...

''—O'Kane's bladderpod *''

Physaria oregona ''Physaria'' is a genus of flowering plants in the family Brassicaceae. Many species are known generally as twinpods, bladderpods, or lesquerella. They are native to the Americas, with many species endemic to western North America. They are dense ...

''—Oregon twinpod *'' Physaria pallida''—White bladderpod *''

Physaria parviflora ''Physaria parviflora'' (syn. ''Lesquerella parviflora'') is a species of flowering plant in the family Brassicaceae known by the common names Piceance bladderpod and frosty bladderpod. It is endemic to Colorado in the United States, where it occ ...

''—Piceance bladderpod *'' Physaria parvula''—Pygmy bladderpod *''

Physaria pruinosa ''Physaria pruinosa''''Physaria pruinosa''.
Flora of North America. (

''—Pagosa bladderpod *'' Physaria purpurea''—Rose bladderpod *'' Physaria reediana''—Alpine bladderpod *''

Physaria repanda ''Physaria repanda'', the Indian Canyon twinpod, is a species of plant in the family Brassicaceae distributed in Utah. It is a perennial wildflower. Description It has dense, stellate, and pubescent trichomes. Its caudex is thick, and is arou ...

''—Indian Canyon twinpod *'' Physaria saximontana''—Fremont County twinpod *''

Physaria tenella ''Physaria tenella'' is a species of flowering plant in the family Brassicaceae known by the common names Moapa bladderpod and slender bladderpod. It is native to western North America from Utah to Sonora, where it grows mainly in desert habitat. ...

''—Moapa bladderpod *''

Physaria thamnophila ''Physaria thamnophila'' (syn. ''Lesquerella thamnophila'') is a rare species of flowering plant in the mustard family known by the common name Zapata bladderpod. It is native to Texas in the United States, where it is known from Zapata and Sta ...

''—Zapata bladderpod *''

Physaria tumulosa ''Physaria tumulosa'' is a rare species of flowering plant in the family Brassicaceae known by the common name Kodachrome bladderpod. It is endemic to Utah in the United States, where it is known only from Kane County.Physaria vitulifera ''Physaria'' is a genus of flowering plants in the family Brassicaceae. Many species are known generally as twinpods, bladderpods, or lesquerella. They are native to the Americas, with many species endemic to western North America. They are dens ...

''—Roundtip twinpod

References

External links

Jepson Manual Treatment: ''Physaria''USDA Plants ProfileCONPS: ''Physaria'' of Colorado
Brassicaceae genera Flora of North America Taxa named by Asa Gray {{Brassicales-stub