Fouquieria is a genus of 11 species of desert flowering plants, the sole genus in the family Fouquieriaceae. The genus is native to North America and includes the Ocotillo and the Boojum tree of Cirio. They have semi-succulent stems with thinner spikes projecting from them with leaves on the bases spikes. Their stems are proportionately thinner than cactus stems and their leaves are larger.