Fouquieriaceae
Fouquieriaceae DC.
Family of xerophytic shrubby and arborescent plants endemic to Mexico and southwestern United States; includes the boojum tree and ocotillo.
Fouquieria
Fouquieria
Genus of xerophytic plants in the family Fouquieriaceae; includes the boojum tree (F. columnaris) and ocotillo (F. splendens); all endemic to Mexico or southwestern USA.
Idria
Idria
Monotypic genus containing the famous boojum tree (cirio); a whimsical succulent tree with an inverted conical trunk and thin horizontal branches; endemic to Baja California and northwestern Sonora.
Lacanthis
Lacanthis
Monotypic genus of the Fouquieriaceae family, comprising spiny and succulent shrubs of the Sonoran desert and adjacent arid regions of Mexico and the southwestern United States. Its spiny stems store water and only produce temporary leaves after rains.