Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

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

Cirsium ochrocentrum, Yellowspine Thistle

Bixaceae, Achiot, Annatto or Lipstick-tree Family

The Bixaceae or the Achiote, Annatto or Lipstick-tree family is a small family with representative’s consisting of; forbs/herbs, shrubs and trees. Flowers bisexual with 5 sepals. The type genus is Achiote, the source of Annatto which is an orange-red condiment and food coloring produced from seeds. Some plants also produce red, orange or yellow latex.

In Bixaceae there are only 4 plant genera and 23 accepted species names. 5 species in North America. Arizona has 1 genus with 2 species.

References:
The Plant List. A working list of all known plant species. [accessed 15 February 2015
http://www.theplantlist.org/browse/A/Bixaceae/
Wikipedia contributors, 'Bixaceae', Wikipedia, The Free Encyclopedia, 4 March 2015, 23:10 UTC,
[accessed 6 April 2015]
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database – ITIS search
Wikipedia contributors, 'Annatto', Wikipedia, The Free Encyclopedia, 29 March 2015, 08:33 UTC,
[accessed 6 April 2015]