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Prunus avium

life science Maturity 9-11 Next article →

The sweet cherry tree, scientifically known as *Prunus avium*, is a significant flowering plant in the Rosaceae family. It is a deciduous tree, meaning it loses its leaves every year. This species is native to western Eurasia and parts of North Africa, ranging from the British Isles to the Caucasus.

01 Prunus sp.
01 Prunus sp.

While it is often grown for its beautiful flowers, it is also a vital food source. It serves as a primary ancestor to the sour cherry, *Prunus cerasus*. It is important to note that while the ripe fruit is edible, most other parts of the plant are slightly toxic. This toxicity comes from cyanogenic glycosides, which are natural chemical compounds found in the leaves, stems, and bark.

The life cycle of *Prunus avium* begins in early spring. During this time, the tree produces white flowers in clusters called corymbs.

Kirschblueten-2011-ffm-075
Kirschblueten-2011-ffm-075

These flowers are hermaphroditic, meaning they possess both male and female reproductive parts. Bees visit the flowers to perform pollination, which is the transfer of pollen needed for reproduction. Inside the flower, there is a structure called a superior ovary. This ovary contains two ovules, but only one of these will successfully develop into a seed. By midsummer, the tree produces fruit known as drupes.

These fruits are bright red or dark purple and contain a single hard-shelled stone. Inside that stone is the seed, or kernel, which is about 6 to 8 mm long.

*Prunus avium* displays several distinct physical stages as it matures. Young trees show strong apical dominance, which results in a straight trunk and a symmetrical, cone-shaped crown. As the tree ages, the crown becomes more rounded or irregular. The bark also changes significantly over time. On young trees, the bark is smooth and reddish-brown with small horizontal marks called lenticels. On older trees, the bark becomes thick, dark, and fissured with deep cracks. The leaves are also unique, often featuring small red glands called extrafloral nectaries on the stems or leaf edges.

Glandes Prunus avium
Glandes Prunus avium

The history of how we classify this tree is quite complex. In 1753, the famous scientist Carl Linnaeus first described it in *Species Plantarum*. At that time, he treated it only as a variety of sour cherry. However, by 1755, he updated his classification in *Flora Suecica* to recognize it as a distinct species.

0 Prunus avium - Havré (1)
0 Prunus avium - Havré (1)

Historically, the tree was known by names like "gean" or "mazzard." In Latin, the name *Prunus avium* translates to "bird cherry," though in English, that term is often used for a different species, *Prunus padus*.

Humans have interacted with this species for thousands of years. Archaeological evidence shows that cherry stones were part of Bronze Age diets across Europe. For example, fossils were found at a site near Lake Garda, Italy, dating to approximately 2077 BCE.

Prunus avium burlat coupe MHNT
Prunus avium burlat coupe MHNT

Ancient records from the Roman writer Pliny suggest that cherry trees were not in Italy until the Roman consul Lucullus brought them from Pontus in 74 BCE. While modern archaeology suggests wild cherries were already in Europe, Lucullus likely introduced specific cultivated varieties. Today, the fruit is highly valued; the flesh is about 81.8% water and contains 45.1% carbohydrates.

Beyond food, the tree has many practical uses. The hard, reddish-brown cherry wood is a prized hardwood. It is frequently used for making musical instruments, cabinets, and for woodturning. In North America, this wood is also used to smoke meats because it provides a pleasant flavor. The tree even has medicinal history, as the stalks of the fruit can be used to make medicines that act as diuretics or cough suppressants. Additionally, the aromatic gum that leaks from wounds in the bark can be chewed like gum.

*Prunus avium* also plays a vital role in local ecosystems. The fruit is a major food source for many birds and mammals. When these animals eat the fruit, they disperse the seeds through their droppings, helping the trees spread to new areas. Some animals, like the hawfinch or certain rodents, even crack the hard stones to eat the nutritious kernel inside. The tree also provides food for insects, such as the case-bearer moth. Because of its beauty and ecological value, many countries have programs to conserve the genetics of this important wild species.

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🖼️ Images & Media (6)
File:01 Prunus sp..jpg
01 Prunus sp..jpg
File:Glandes Prunus avium.jpg
Glandes Prunus avium.jpg
File:0 Prunus avium - Havré (1).JPG
0 Prunus avium - Havré (1).JPG
File:Kirschblueten-2011-ffm-075.jpg
Kirschblueten-2011-ffm-075.jpg
File:Chãos Walk 08 (18233517831).jpg
Chãos Walk 08 (18233517831).jpg
File:Prunus avium burlat_coupe_MHNT.jpg
Prunus avium burlat_coupe_MHNT.jpg
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