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Calabash (Lagenaria siceraria), also known as bottle gourd, white-flowered gourd, long melon, New Guinea bean and Tasmania bean[3] is a vine grown for its fruit. It can be either harvested young to be consumed as a vegetable, or harvested mature to be dried and used as a utensil. When it is fresh, the fruit has a light green smooth skin and white flesh.
Calabash fruits have a variety of shapes: they can be huge and rounded, small and bottle shaped, or slim and serpentine, and they can grow to be over a metre long. Rounder varieties are typically called calabash gourds. The gourd was one of the world's first cultivated plants grown not primarily for food, but for use as containers. The bottle gourd may have been carried from Africa to Asia, Europe, and the Americas in the course of human migration, or by seeds floating across the oceans inside the gourd. It has been proven to have existed in the New World prior to the arrival of Christopher Columbus.
Because bottle gourds are also called "calabashes", they are sometimes confused with the hard, hollow fruits of the unrelated calabash tree (Crescentia cujete), whose fruits are also used to make utensils, containers, and musical instruments.

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