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Definition of drupe

Categorized under "General"

Definition as written by talinum:

A fleshy fruit whose seed is enclosed in a stone. Example: date, cherry.

Definition as written by Magpye:

A type of fruit (i.e. plums, cherries, olives, peaches). Also considered stone fruits. The fruit wall is fleshy. The outside layer is generally juicy. The one seed fruit will not open up.

Definition as written by Leftwood:

A fruit with a fleshy (usually edible) exocarp (a skin) and mesocarp (the flesh) that surrounds a pit. The pit consists of a hardened endocarp (the shell) with a single seed inside. Stone fruits (peaches, cherries, dates, etc) are by far the most common examples.

All stone fruits are drupes, however not all drupes are stone fruits. For instance coconuts, hickory nuts and walnuts are all drupes, with their husks being the exocarp and mesocarp. On the far end of the spectrum is the genus Stryrax, where the exocarp and mesocarp are reduced so much as to be hardly noticeable.

Obviously, this can make categorization of fruits difficult, as the true defining characteristic of a drupe is that the hard stone originates from the ovary wall of the flower.

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