title: Iris tenuissima
text: # Iris tenuissima
  
  Iris tenuissima is a species of iris known by the common name longtube iris.
  
  It is endemic to California, where it is a common wildflower in the woodlands and forests of the northern part of the state.
  
  ## Description
  
  This rhizomatous perennial herb produces narrow leaves and an erect inflorescence bearing two iris flowers. The flower has a long tubular throat which may exceed 5 centimeters in length before it opens into white, purple, or reddish-brown streaked tepals.
  
  ### Subspecies
  
  * Iris tenuissima ssp. purdyiformis—affinity to serpentine soil.
  * Iris tenuissima ssp. tenuissima
  