Habitat: Mexico and western United States.
Description: dicotyledonous plants growing into spiny shrubs or deciduous trees with large flowers. Synonymous with Idria.
Soil: basic mix.
Location: filtered light.
Temperature: minimum temperature between 12 and 15°C (54-59°F).
Water: average.
Cultivation tips: the large roots require big containers.
Main genera of Fouquieriaceae: Fouquieria.