Dypsis decaryi, commonly known as the Triangle Palm, is a striking palm native to Madagascar. It is easily recognized by its unique triangular trunk formed by the arrangement of its leaf bases. The palm features blue-green, arching fronds and grows up to 10–15 meters tall in its natural habitat. Popular as an ornamental plant, it thrives in full sun and well-drained soil, making it a favourite for tropical and subtropical gardens.