Opuntia chlorotica
Introduction '''''Opuntia chlorotica''''' is a species of plant in the family Cactaceae. It is a species of prickly pear native to the southwestern United States and northern Mexico. Its common names include '''pancake prickly pear''', '''flapjack prickly pear''' and '''dollarjoint prickly pear'''.This cactus is bluish-green and manifests a bushy to erect form that may attain a height of two meters or more.Some analysis of the prehistoric range of ''O. chlorotica'' has been conducted by studies in the Waterman Mountains of Arizona; these pollen core analyses indicate that this cactus species was present in northern Arizona in late Wisconsinan glaciation period.
References
Notes * Nathaniel Lord Britton. 1919. ''The Cactaceae: Descriptions and illustrations of plants of the cactus family''  236 pages* C. Michael Hogan. 2009. ''Elephant Tree: Bursera microphylla'', GlobalTwitcher.com, ed. N. Stromberg* Jepson Manual Treatment: ''Opuntia chlorotica''. 1993
External links * Flora of North America;  RangeMap* Calflora images: ''Opuntia chlorotica''* Opuntia chlorotica photo gallery at Opuntia Web