Baobab is the common name of a genus (Adansonia) containing eight species of trees, native to Madagascar (having six species), mainland Africa and Australia (one species in each).
The species reach heights of 5–30 m and trunk diameters of 7-11 m. A specimen in Limpopo Province, South Africa, often considered the largest and oldest example alive, has a circumference of 50 m and an average diameter of 15 m, and coul be about 2 200 years old.
Adansonia grandidieri (Grandidier's Baobab), the most famous of Madagascar’s six baobabs, is an endangered species. It is endemic to Madagascar.
Baobabs store water inside the swollen trunk (up to 120 000 liters) to endure the harsh drought conditions particular to each region.
Source : Wikipedia
