Genus Alstonia

Alstonia is a widespread genus of evergreen trees and shrubs from the dogbane family .

Species in the genus Alstonia of plants

Alstonia macrophylla - trunk in Hyderabad, India.

Dita Bark - Alstonia scholaris is a small tree that grows up to 40 m tall and is glabrous. The bark is greyish; branchlets are copiously lenticellate.