Kalmia latifolia is the botanical name of the plant

Kalmia latifolia is the botanical name of the plant that is more commonly known as Mountain Laurel or Calico Bush. Belonging to the heath family (Ericaceae), it is capable to reach up to 10 ft high.
It is an evergreen shrub, which forms thickets in good growth conditions. It bears deep green leaves that are alternatively arranged. The blooming time takes place in April. The plant’s blooms come in white with pick spots.
The alternative names for the plant are Lambkill and Sheepkill with the reference to the fact that all Mountain laurel parts are poisonous.
Mountain Laurel thieves in mountainous areas and edges of the wooded lands. It is also grown as the gardening plant.