The calabash, bottle gourd, or white-flowered gourd, Lagenaria siceraria (synonym Lagenaria vulgaris Ser.), also known by many other names that include: opo squash (from Tagalog: upo), long melon, suzza melon, New Guinea bean and Tasmania bean is a vine grown for its fruit, which can either be harvested young and used as a vegetable, or harvested mature, dried, and used as a bottle, utensil, or pipe. The fresh fruit has a light-green smooth skin and a white flesh. Rounder varieties are called calabash gourds. They grow in a variety of shapes: they can be huge and rounded, small and bottle shaped, or slim and serpentine, more than a metre long. Because bottle gourds are also called "calabashes", they are sometimes confused with the hard, hollow fruits of the unrelated calabash tree, Crescen