Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

Home to the plants of the Sonoran, Chihuahuan and Mojave Deserts

Cirsium ochrocentrum, Yellowspine Thistle

Commelinaceae, Dayflower or Spiderwort Family

Species of Commelinaceae are typically perennials and some are annuals. Plants in this family are usually erect, spreading or ascending. The alternate simple leaves are succulent and emerge from sheaths in a characteristic fashion of the family.

Commelinaceae have over 40 genera and 723 accepted species names. There are over 50 species in the United States and Canada. Arizona has 4 native species in the Commelinaceae family.

The Plant List. A working list of all known plant species. [accessed 15 February 2015 (accessed March 29, 2015).
Wikipedia contributors, 'Commelinaceae', Wikipedia, The Free Encyclopedia, 24 September 2014, 04:15 UTC,
[accessed 29 March 2015]
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database – ITIS search