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In botany, a drupe (or stone fruit) is a type of fruit in which an outer fleshy part (exocarp, or skin, and mesocarp, or flesh) surrounds a single shell (the pip (UK), pit (US), stone, or pyrena) of hardened endocarp with a seed (kernel) inside. Drupes do not split open to release the seed, i.e., they are indehiscent. [1]
A pyrena or pyrene (commonly called a "pit" or "stone") is the fruitstone within a drupe or drupelet produced by the ossification of the endocarp or lining of the fruit. [1] It consists of a hard endocarp tissue surrounding one or more seeds (also called the "kernel").
The fruit of Sideroxylon grandiflorum is analogous to a peach.Each is termed a drupe because each has a hard endocarp, or pit, surrounding the seed.The plant itself superficially resembles the unrelated Plumeria, but the dodo tree's flowers and fruit are cauliflorous.
Tooltechnik’s universal pitting machine can pit thousands of cherries and other stone fruits all at once.
Diagram of a typical drupe (in this case, a peach), showing both fruit and seed A schematic picture of an orange hesperidium A segment of an orange that has been opened to show the pulp (juice vesicles) of the endocarp. Fruit anatomy is the plant anatomy of the internal structure of fruit.
A berry or bacca was distinguished from a drupe and a pome, both of which also had an unvalved solid pericarp; a drupe also contained a nut (nux) and a pome a capsule (capsula), rather than the berry's naked seeds. [27] Linnaeus' use of bacca and pomum was thus significantly different from that of Caesalpinus. Botanists continue to differ on ...
The fruit, called a "sloe", is a drupe 10–12 millimetres (3 ... Like many other fruits with pits, the pit of the sloe contains trace amounts of hydrogen cyanide. [11]
Berry – the berry is the most common type of fleshy fruit. The entire outer layer of the ovary wall ripens into a potentially edible "pericarp", (see below). Stone fruit or drupe – the definitive characteristic of a drupe is the hard, "lignified" stone (sometimes called the "pit").