Fruit

In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propagated using the movements of humans and other animals in a symbiotic relationship that is the means for seed dispersal for the one group and nutrition for the other; humans, and many other animals, have become dependent on fruits as a source of food. Consequently, fruits account for a substantial fraction of the world's agricultural output, and some (such as the apple and the pomegranate) have acquired extensive cultural and symbolic meanings. In common language and culinary usage, fruit normally means the seed-associated fleshy structures (or produce) of plants that are typically sweet (or sour) and edible in the raw state, such as apples, bananas, grapes, lemons, oranges, and strawberries. In botanical usage, the term fruit includes many structures that are not commonly called as such in everyday language, such as nuts, bean pods, corn kernels, tomatoes, and wheat grains.

In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propagated using the movements of humans and other animals in a symbiotic relationship that is the means for seed dispersal for the one group and nutrition for the other; humans, and many other animals, have become dependent on fruits as a source of food. Consequently, fruits account for a substantial fraction of the world's agricultural output, and some (such as the apple and the pomegranate) have acquired extensive cultural and symbolic meanings. In common language and culinary usage, fruit normally means the seed-associated fleshy structures (or produce) of plants that are typically sweet (or sour) and edible in the raw state, such as apples, bananas, grapes, lemons, oranges, and strawberries. In botanical usage, the term fruit includes many structures that are not commonly called as such in everyday language, such as nuts, bean pods, corn kernels, tomatoes, and wheat grains. === Aggregate fruits === is the apical (at the apex) nodule that receives pollen; the style is the stem-like column that extends down to the ovary, which is the basal part that contains the seed-forming ovule. An aggregate fruit, aggregation, or etaerio develops from a single flower that presents numerous simple pistils. Each pistil contains one carpel; together, they form a fruitlet. Different types of aggregate fruits consist of multiple achenes, drupelets, follicles, and berries. For example, the Ranunculaceae species, including Clematis and Ranunculus, produces an etaerio of achenes; Rubus species, including raspberry: an etaerio of drupelets; Calotropis species: an etaerio of follicles fruit; Annona species: an etaerio of berries. Some other broadly recognized species and their etaerios (or aggregations) are: Teasel; fruit is an aggregation of cypselas. Tuliptree; fruit is an aggregation of samaras. Magnolia and peony; fruit is an aggregation of follicles. American sweet gum; fruit is an aggregation of capsules. Sycamore; fruit is an aggregation of achenes. The pistils of the raspberry are called drupelets because each pistil is like a small drupe attached to the receptacle. In some bramble fruits, such as blackberry, the receptacle, an accessory part, elongates and then develops as part of the fruit, making the blackberry an aggregate-accessory fruit. The strawberry is an aggregate-accessory fruit, with its seeds in achenes.

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