Fouquieria diguetii
Also known as palo de adan and Adam’s Tree, Fouquieria diguetii
is endemic to Mexico. This one of a kind Tree-like succulent plant, can grow up to 24 feet hight
Expousure: Full Sun to Partial Shade
Minimum cold hardiness:Zone 9b -3.9 C (25 F) to -1.1 C (30 F)
Plant Spread: 4 feet or more
Leaves:Deciduous
Flower Color: Red
Flower Time: Summer
Suitable Locations: Xeriscapic
Resistances: Drought tolerant

Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz