Pachypodium lamereiMadagascar Palm: Succulent. Full sun houseplant, medium to high summer water and low winter water. Can reach 4' tall and 2' in diameter. A semideciduous slow growing succulent upright shrub very attractive intensely spiny grey stout trunk, narrowed at its base, that is usually unbranched and typically 4 to 6 feet tall. The spines (transformed stipules) are typically 1" 2" long. At maturity large and fragrant 2" 3" wide white flowers appear in spring