title: Cardamine occidentalis
text: # Cardamine occidentalis
  
  Cardamine occidentalis is a species of Cardamine known by the common name big western bittercress. It is native to western North America from Alaska to northwestern California, where it grows in moist mountain habitats.
  
  ## Description
  
  Cardamine occidentalis is a perennial herb growing from very small rhizomes. It produces a branching erect or leaning stem which may root at nodes. There is a basal array of leaves, each on a petiole and divided into many leaflets. There are also several leaves along the stem. The flower has white petals each a few millimeters long. The fruit is a silique 2 to 3 centimeters long.
  
  