(This plant comes in a 3.5" pot. You will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase. The plant is shipped in its pot to prevent any damage to the roots).
This species originated from Southwest Madagascar, it has a grey trunk and green leaves. When it blooms, it produces white flowers. This plant is one of the largest of the Madagascar species. It looks sort of like a cactus and a palm tree, not to be confused with Pachypodium lamerei.
Recommended temperature zone: Sunset: 25, USDA: 10-11
Frost tolerance: Semi-tender, protect it from frost, or keep it in container
Heat tolerance: Good heat resistance, does better with afternoon shade
Sun exposure: Full sun to light shade
Origin: Southwestern Madagascar
Growth habits: Deciduous tree, 13" tall (4 m), or more with optimal conditions
Watering needs: Regular water when the plant has leaves, else occasional water
Propagation: Seeds, cuttings
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz