Oleander is an evergreen shrub that grows well in warm subtropical regions and is native to a broad area that extends from Morocco to China. Its fragrant flowers grow in a variety of colors, and it is widely used as an ornamental plant in landscapes and parks. It is also one of the most poisonous known plants and contains several toxic, sometimes deadly, compounds. Even its bark contains rosagenin, which is known for its strychnine-like effects. Why is oleander the official flower of Hiroshima? Discuss
Source: The Free Dictionary