The head of pineapple fruit is the base, and the tail with green leaves is the first to mature, and the sweetness is also the highest. It tastes the most delicious. If the petiole is placed downwards, the sweetness will be more uniform. If the petiole cannot be placed downwards, it can also be placed horizontally. Pineapple originated in the Amazon River valley of Brazil and Paraguay in South America, and was introduced to China from Brazil in the16th century.

Has spread throughout the tropics. Its edible part is mainly composed of inflorescence axis with increased meat quality and flowers arranged spirally around it. The flowers are usually not strong, and the persistent perianth lobes enclose a cavity, in which atrophic stamens and styles are hidden. The fiber of leaves is very tough and can be used for weaving, rope making, netting and paper making. Pineapple and pineapple are biologically the same kind of fruit.

In the market, pineapple and pineapple are different kinds of fruits: pineapple has internal thorns that need to be removed after peeling; However, pineapple has no internal thorns after peeling off the skin, so it doesn't need a knife to draw a ditch. Pineapple has its own special growth habits. Most pineapples have rosette leaves. The base of the leaf cluster forms a leaf tube that can store water.