Ananas comosus, commonly known as pineapple, is an herbaceous perennial belonging to the order Bromeliales, family Bromelaceace and sub-family Bromelioideae. According to Carlier et al.there are 56 genera of the pineapple which include 2921 species. According to Gene Technology Regulation and Carr, pineapples originated in South America and through travels and migration of different peoples, its cultivation spread to other parts of the world. The Jamaican pineapple is said to have been discovered by Christopher Columbus on his voyage to the New World in the 15th century.
Bartholomew et al., in describing the pineapple, states that the plant grows to 1-2 m high and wide with a club shaped stem having dimensions of 25-50 cm in length, width of 2-5 cm at the base and 5-8 cm at the top. The leaves are sessile and enclose the stem on two thirds of its circumference.