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A stone fruit, also called a drupe, is a fruit with a large "stone" inside. The stone is sometimes called the seed, but that is a mistake, as the seed is inside the stone. The stones can also be called a pit. These fruits are edible and used frequently in cooking.
What makes a fruit?
The pericarp has three layers: the exocarp (skin/rind), the mesocarp (bulk of the pericarp), and the endocarp (innermost layer).
Berries vs. drupes
The two main classes of fleshy fruits are berries and drupes, or stone fruits.
Berries have a fleshy mesocarp and endocarp, and may have multiple seeds.
Drupes have a fleshy mesocarp, but a tough endocarp, and of course, a "stone" or "pit" at its center. Drupes typically have only a single seed.
Examples of stone fruits
|Scientific name||Description||What's the pit?||In pop culture|
|Green almonds||the fruit of an almond tree, containing the pit or "nut" commonly referred to as an almond||
|Marionberries||a cultivar of blackberries||
|Nectarines||Prunus persica var. nucipersica|
|Peaches||Prunus persica||Peach pit||