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Pineapple (ananas) fruit develops from

  • a unilocular polycarpellary flower 

  • a multipistillate syncarpous flower

  • a cluster of compactly borne flowers on a common axis

  • a multilocular monocarpellary flower

Answer

C.

a cluster of compactly borne flowers on a common axis

The fruit of Ananas comosus (pineapple or ananas) is sorosis, (a type of multiple fruits), developing from spike, spadix or catkin. In this type, the flowers associate by their succulent tepals, the axis bearing them grows and becomes fleshy or woody, thus, the whole inflorescence turns into a compact fruit.

The fruit of Ananas comosus (pineapple or ananas) is sorosis, (a type of multiple fruits), developing from spike, spadix or catkin. In this type, the flowers associate by their succulent tepals, the axis bearing them grows and becomes fleshy or woody, thus, the whole inflorescence turns into a compact fruit.