Physaria
Encyclopedia
Physaria is a genus of flowering plants in the mustard family
Brassicaceae
Brassicaceae, a medium sized and economically important family of flowering plants , are informally known as the mustards, mustard flowers, the crucifers or the cabbage family....

. Many species are known generally as twinpods. They are native to the Americas, with many species endemic to western North America. They are densely hairy perennial herbs often growing prostrate or decumbent, along the ground in patches or clumps. They bear inflorescence
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. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

s of bright yellow flowers. The fruit is often notched deeply, dividing into twin sections, giving the genus its common name.

Species include:
  • Physaria acutifolia - sharpleaf twinpod
  • Physaria alpestris - Washington twinpod
  • Physaria alpina - Avery Peak twinpod
  • Physaria bellii - Front Range twinpod
  • Physaria brassicoides - double twinpod
  • Physaria chambersii
    Physaria chambersii
    Physaria chambersii is a species of flowering plant in the mustard family known by the common name Chambers' twinpod. It is native to the southwestern United States, where it grows in desert woodland and plateau habitat. It is a perennial herb growing from a taproot and producing a clumpy rosette...

    - Chambers' twinpod
  • Physaria condensata - tufted twinpod
  • Physaria didymocarpa
    Physaria didymocarpa
    Physaria didymocarpa is a species of flowering plant in the mustard family known by the common name common twinpod. It is native to western North America, including British Columbia and Alberta in Canada and the northwestern United States....

    - common twinpod
  • Physaria filiformis
    Physaria filiformis
    Physaria filiformis is a rare species of flowering plant in the mustard family known by the common names Missouri bladderpod and limestone glade bladderpod. It is native to Missouri and Arkansas in the United States...

    - Missouri bladderpod
  • Physaria floribunda - pointtip twinpod
  • Physaria geyeri - Geyer's twinpod
  • Physaria globosa
    Physaria globosa
    Physaria globosa , is a species of flowering plant in the mustard family commonly known as Globe bladderpod. It is native to Indiana, Kentucky, and Tennessee, with an unverified report from Ohio...

    - Globe bladderpod
  • Physaria grahamii - Graham's twinpod
  • Physaria hemiphysaria
    Physaria hemiphysaria
    Physaria hemiphysaria is a species of flowering plant in the mustard family known by the common names Intermountain bladderpod and skyline bladderpod...

    - Intermountain bladderpod
  • Physaria integrifolia - Snake River twinpod
  • Physaria lepidota - Kane County twinpod
  • Physaria newberryi - Newberry's twinpod
  • Physaria obcordata
    Physaria obcordata
    Physaria obcordata is a rare species of flowering plant in the mustard family known by the common names Dudley Bluffs twinpod and Piceance twinpod. It is endemic to Colorado, where it is found only in the Piceance Basin in Rio Blanco County. It is threatened by the loss and degradation of its habitat...

    - Dudley Bluffs twinpod (threatened)
  • Physaria okanensis
  • Physaria oregona - Oregon twinpod
  • Physaria reediana - alpine bladderpod
  • Physaria repanda - Indian Canyon twinpod
  • Physaria saximontana - Fremont County twinpod
  • Physaria thamnophila
  • Physaria vitulifera - roundtip twinpod

External links

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