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Aggregate fruits may also be accessory fruits, in which parts of the flower other than the ovary become fleshy and form part of the fruit. The individual parts of an aggregate fruit come in many forms. Common examples are: Drupelets: Raspberry; Dewberry and blackberry, also an accessory fruit, with a fleshy receptacle; Achenes: Strawberry, also ...
A selection of accessory fruits (from left to right: pear, fig, and strawberry) An accessory fruit is a fruit that contains tissue derived from plant parts other than the ovary. In other words, the flesh of the fruit develops not from the floral ovary, but from some adjacent tissue exterior to the carpel (for example, from receptacles or sepal ...
The fruits of buttercup, buckwheat, caraway, quinoa, amaranth, and cannabis are typical achenes.. The achenes of the strawberry are sometimes mistaken for seeds. The strawberry is an accessory fruit with an aggregate of achenes on its outer surface, and what is eaten is accessory tissue.
Accessory fruits occur in all three classes of fruit development – simple, aggregate, and multiple. Accessory fruits are frequently designated by the hyphenated term showing both characters. For example, a pineapple is a multiple-accessory fruit, a blackberry is an aggregate-accessory fruit, and an apple is a simple-accessory fruit.
Accessory fruits are not botanical berries. In accessory fruits, the edible part is not generated by the ovary. Berry-like examples include: Strawberry – the non-fleshy aggregate of seed-like achenes on its exterior is actually the "fruit", derived from an aggregate of ovaries; the fleshy part develops instead from the receptacle.
The edible part of the strawberry is formed from the receptacle of the flower. Due to this difference the strawberry is known as a false fruit or an accessory fruit. There is a shared method of seed dispersal within fleshy fruits. These fruits depend on animals to eat the fruits and disperse the seeds in order for their populations to survive. [3]
Botanical structure of a strawberry, compared to a peapod. The strawberry is a swollen receptacle, covered with many small achenes, the botanical fruits. [8] In culinary terms, a strawberry is an edible fruit. From a botanical point of view, it is not a berry but an aggregate accessory fruit, because the fleshy part is derived from the receptacle.
A compound fruit is "composed of two or more similar parts". [1] A compound fruit may be: An aggregate fruit, in which one flower contains several separate ovaries, which merge during development. A multiple fruit, in which several flowers, each with an ovary, develop into small fruits that are clustered or fused together into a larger fruit.