While the genus is broad, a few species are particularly significant due to their cultural and economic impact:
(Blackboard Tree / Devil’s Tree): The most well-known species, native to South and Southeast Asia. It is widely used in Ayurvedic medicine to treat respiratory issues and malaria. alstonia
(Match-stick Tree): Known for its fast growth and light, workable timber used in general construction and plywood. While the genus is broad, a few species