Bird cherry
Encyclopedia
The bird cherries are a subgenus
Subgenus
In biology, a subgenus is a taxonomic rank directly below genus.In zoology, a subgeneric name can be used independently or included in a species name, in parentheses, placed between the generic name and the specific epithet: e.g. the Tiger Cowry of the Indo-Pacific, Cypraea tigris Linnaeus, which...

 of the genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 Prunus
Prunus
Prunus is a genus of trees and shrubs, which includes the plums, cherries, peaches, apricots and almonds. There are around 430 species spread throughout the northern temperate regions of the globe. Many members of the genus are widely cultivated for fruit and ornament.-Botany:Members of the genus...

, characterised by having deciduous
Deciduous
Deciduous means "falling off at maturity" or "tending to fall off", and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe...

 leaves
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

, flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

s 12-30 together on slender raceme
Raceme
A raceme is a type of inflorescence that is unbranched and indeterminate and bears pedicellate flowers — flowers having short floral stalks called pedicels — along the axis. In botany, axis means a shoot, in this case one bearing the flowers. In a raceme, the oldest flowers are borne...

s produced in late spring well after leaf emergence, and small, sour fruit
Fruit
In broad terms, a fruit is a structure of a plant that contains its seeds.The term has different meanings dependent on context. In non-technical usage, such as food preparation, fruit normally means the fleshy seed-associated structures of certain plants that are sweet and edible in the raw state,...

 usually only palatable to bird
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

s, hence the name. They are native throughout the temperate Northern Hemisphere
Northern Hemisphere
The Northern Hemisphere is the half of a planet that is north of its equator—the word hemisphere literally means “half sphere”. It is also that half of the celestial sphere north of the celestial equator...

.

Bird cherry is sometimes used as a food plant by Lepidoptera
Lepidoptera
Lepidoptera is a large order of insects that includes moths and butterflies . It is one of the most widespread and widely recognizable insect orders in the world, encompassing moths and the three superfamilies of butterflies, skipper butterflies, and moth-butterflies...

 species including brimstone moth
Brimstone moth
The Brimstone Moth is a moth of the family Geometridae. It is found throughout the Palearctic region and the Near East....

.

Some bird cherries, such as chokecherries
Chokecherry
Prunus virginiana, commonly called chokecherry, bitter-berry, or Virginia bird cherry, is a species of bird cherry native to North America, where it is found almost throughout the continent except for the Deep South and the far north.-Growth:It is a suckering shrub or small tree growing to 5 m tall...

, are used to make jelly and wine in North America.

Some botanists treat the subgenus as a distinct genus Padus.

Species

  • Prunus cornuta - Himalayan bird cherry, Himalaya
  • Prunus cuthbertii - Cuthbert cherry, Georgia
    Georgia (U.S. state)
    Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...

    , United States
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...

  • Prunus grayana - Gray's bird cherry, Japan
    Japan
    Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

  • Prunus maackii - Manchurian cherry or Amur chokecherry, northeast Asia
    Asia
    Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

  • Prunus padus - bird cherry
    Bird cherry
    The bird cherries are a subgenus of the genus Prunus, characterised by having deciduous leaves, flowers 12-30 together on slender racemes produced in late spring well after leaf emergence, and small, sour fruit usually only palatable to birds, hence the name...

     or European bird cherry, Europe
    Europe
    Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

     and western Asia
    • Prunus padus var. commutata - Asian bird cherry, eastern Asia
  • Prunus serotina - black cherry, North America
    North America
    North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

  • Prunus ssiori - Hokkaido bird cherry, (Hokkaidō
    Hokkaido
    , formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...

    )
  • Prunus virginiana - chokecherry
    Chokecherry
    Prunus virginiana, commonly called chokecherry, bitter-berry, or Virginia bird cherry, is a species of bird cherry native to North America, where it is found almost throughout the continent except for the Deep South and the far north.-Growth:It is a suckering shrub or small tree growing to 5 m tall...

    , North America

Culture

In Finland
Finland
Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

, the blooming of bird cherry (Prunus padus, Finnish tuomi) signifies the start of the summer for many people. In southern Finland, this normally takes place during the two last weeks of May or very early June.
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