Alstonia Bark
Botanical Name: Alstonia scholaris/Alstonia constricta
Family: Apocynaceae
Other Names: Australian febrifuge, Australian quinine, devil tree, dita bark
Native to: India, Phillipines, Australia
Parts Used: Bark
Actions: Antihypertensive, anti-malarial, febrifuge, spasmolytic
Constituents: Indole alkaloids