alstonia scholaris
bark
beautiful
beauty
bitter
blackboard
blackboard tree
blossom
botany
branch
bright
buzzer
closeup
colorful
colors
devil tree
effect
environment
evergreen
extract
flora
foliage
forest
fresh
garden
green
growth
inflorescence
leaf
medicative
milkwood
natural
nature
park
pattern
plans
poisonous
racked
scholar tree
smell
texture
toxic
tree
tropical
white