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Fruits and Seeds


The fruits arise from ovarian development, usually after fertilization of the eggs.

In general, the transformation of the ovary into fruit is induced by hormones released by developing embryos. There are cases, however, where fruit formation occurs without pollination.

Parts of the fruit

A fruit is made up of two main parts: the pericarp, resulting from the development of the ovary walls, and the seeds, resulting from the development of fertilized eggs.
The pericarp consists of three layers: epicarp (outermost layer), mesocarp (intermediate layer) and endocarp (innermost layer). In general the mesocarp is the part of the fruit that develops the most, synthesizing and accumulating nutritious substances, mainly sugars.

Fruit classification

Several characteristics are used to classify the fruits, including the type of pericarp, whether or not the fruit opens spontaneously to release the seeds, etc.

Fruits that have a juicy pericarp are called fleshy and may be berry-like when they originate from single-seeded or uncarved ovaries (eg tomatoes, squash, one and orange), or drupa-like when they originate from single-ovary ovaries. , with seeds attached to the hard endocarp (eg olive, peach, plum and almond).

Fruits that have non-succulent endocarp are called dry and may be dehiscent when they open as they mature, releasing their seeds, or indehiscent when they do not open when they mature.

The fruit and fruit difference

What is popularly known by Fruit It has no botanical meaning. Fruit is what tastes nice, sometimes sour, sometimes sweet. This is the case of orange, peach, cashew, banana, pear, apple, strawberry, blackberry. Note that not all fruit is true fruit.

Already the tomato, the eggplant, the jiló and the zucchini, among others, are true fruits, but are not fruits…