''Prunus tomentosa'' is a species of ''
Prunus
''Prunus'' is a genus of trees and shrubs, which includes (among many others) the fruits plums, cherries, peaches, nectarines, apricots, and almonds.
Native to the North American temperate regions, the neotropics of South America, and the p ...
'' native to northern and western
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
(including
Tibet
Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...
),
Korea
Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
,
Mongolia
Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, ...
, and possibly northern
India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
(
Jammu
Jammu is the winter capital of the Indian union territory of Jammu and Kashmir (union territory), Jammu and Kashmir. It is the headquarters and the largest city in Jammu district of the union territory. Lying on the banks of the river Tawi Ri ...
and
Kashmir
Kashmir () is the northernmost geographical region of the Indian subcontinent. Until the mid-19th century, the term "Kashmir" denoted only the Kashmir Valley between the Great Himalayas and the Pir Panjal Range. Today, the term encompas ...
, though probably only cultivated there).
[Bean, W. J. (1980). ''Trees and Shrubs Hardy in the British Isles'' 8th ed., vol. 3. John Murray .][Flora of China]
''Cerasus tomentosa''
/ref> Common names for ''Prunus tomentosa'' include Nanjing cherry, Korean cherry, Manchu cherry, downy cherry, Shanghai cherry, Ando cherry, mountain cherry, Chinese bush cherry, and Chinese dwarf cherry.
Description
It is a deciduous
In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, aft ...
shrub
A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...
, irregular in shape, 0.3–3 m (rarely 4 m) high and possibly somewhat wider. The bark is glabrous
Glabrousness (from the Latin ''glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part of ...
and copper-tinted black. The leaves
A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...
are alternate, 2–7 cm long and 1–3.5 cm broad, oval to obovate
The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular o ...
, acuminate with irregularly serrate
Serration is a saw-like appearance or a row of sharp or tooth-like projections. A serrated cutting edge has many small points of contact with the material being cut. By having less contact area than a smooth blade or other edge, the applied pr ...
margins, rugose
Rugose means "wrinkled". It may refer to:
* Rugosa, an extinct order of coral, whose rugose shape earned it the name
* Rugose, adjectival form of rugae
Species with "rugose" in their names
* '' Idiosoma nigrum'', more commonly, a black rugose tr ...
, dark green, pubescent The adjective pubescent may describe:
* people or animals undergoing puberty
* plants that are hairy, covered in trichomes
* insects that are covered in setae
In biology, setae (singular seta ; from the Latin word for "bristle") are any of a ...
above and tomentose
Trichomes (); ) are fine outgrowths or appendages on plants, algae, lichens, and certain protists. They are of diverse structure and function. Examples are hairs, glandular hairs, scales, and papillae. A covering of any kind of hair on a plant ...
below, with gland
In animals, a gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).
Structure
De ...
ular petioles. The flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...
s are white or pink in a scarlet calyx, opening with or before the leaves in spring. They are reliably profuse, arranged in clusters on scarlet pedicel
Pedicle or pedicel may refer to:
Human anatomy
*Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures
...
s and are 1.5–2.0 cm in diameter. The fruit
In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering.
Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in particu ...
is a sweet but slightly tart drupe
In botany, a drupe (or stone fruit) is an indehiscent fruit in which an outer fleshy part (exocarp, or skin, and mesocarp, or flesh) surrounds a single shell (the ''pit'', ''stone'', or '' pyrena'') of hardened endocarp with a seed (''kernel'') ...
5–12 mm (rarely to 25 mm) in diameter, scarlet, ripening in early summer, with a large seed. Though often called a "cherry" and superficially resembling them, Nanking cherry is closer related to plums than true cherries. It prefers full sun and grows naturally in a variety of soils. It is drought-resistant, and cold-resistant to hardiness zone
A hardiness zone is a geographic area defined as having a certain average annual minimum temperature, a factor relevant to the survival of many plants. In some systems other statistics are included in the calculations. The original and most wide ...
2.
File:Prunus tomentosa0.jpg, Flowers
File:Leaves of Prunus tomentosa in June.jpg, Leaves
File:Aengdu.jpg, Fruits
File:Prunus tomentosa pollen.jpg, Pollen
Uses
The plant has long been widely cultivated throughout eastern Asia
Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
for its flowers and fruit.[ It was introduced to the ]British Isles
The British Isles are a group of islands in the North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner and Outer Hebrides, the Northern Isles, ...
in 1870,[ and the ]United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
by the Arnold Arboretum
The Arnold Arboretum of Harvard University is a botanical research institution and free public park, located in the Jamaica Plain and Roslindale neighborhoods of Boston, Massachusetts. Established in 1872, it is the oldest public arboretum in N ...
in 1892.
It is cultivated for a number of purposes. The fruit is edible, being an ingredient of juice, jam, and wine, and in pickled vegetables and mushrooms.[ It is also grown as an ]ornamental plant
Ornamental plants or garden plants are plants that are primarily grown for their beauty but also for qualities such as scent or how they shape physical space. Many flowering plants and garden varieties tend to be specially bred cultivars that i ...
, prized for its flowers and fruit, and pruned for bonsai
Bonsai ( ja, 盆栽, , tray planting, ) is the Japanese art of growing and training miniature trees in pots, developed from the traditional Chinese art form of ''penjing''. Unlike ''penjing'', which utilizes traditional techniques to produce ...
, twin-trunk or clump shapes, or left upright.[ It is used for dwarfing rootstock for other cherries. In Manchuria and the Midwest United States, the shrub is planted in hedgerows to provide a windbreak. Under cultivation, it flourishes in well-drained, slightly acidic soil.
Several ]cultivar
A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, ...
s are grown; examples include 'Graebneriana' (Germany), 'Insularis' (Japan and Korea), 'Leucocarpa' (Manchuria; white fruit), and 'Spaethiana' (Europe).[
]
Problems
''Prunus tomentosa'' can suffer from borer insects, and under stress can have brown rot. It is not a good cherry choice for places around the world where tolerance for heat and humidity is needed such as the southern United States
The Southern United States (sometimes Dixie, also referred to as the Southern States, the American South, the Southland, or simply the South) is a geographic and cultural region of the United States of America. It is between the Atlantic Ocean ...
.
Classification
Carl Peter Thunberg
Carl Peter Thunberg, also known as Karl Peter von Thunberg, Carl Pehr Thunberg, or Carl Per Thunberg (11 November 1743 – 8 August 1828), was a Swedish naturalist and an "apostle" of Carl Linnaeus. After studying under Linnaeus at Uppsala Un ...
described the species from cultivated material collected in Japan between August 1775 and November 1776 while based on Dejima
, in the 17th century also called Tsukishima ( 築島, "built island"), was an artificial island off Nagasaki, Japan that served as a trading post for the Portuguese (1570–1639) and subsequently the Dutch (1641–1854). For 220 years, it ...
Island in Nagasaki
is the capital and the largest city of Nagasaki Prefecture on the island of Kyushu in Japan.
It became the sole port used for trade with the Portuguese and Dutch during the 16th through 19th centuries. The Hidden Christian Sites in the ...
Bay. He published it twice, first in Murray
Murray may refer to:
Businesses
* Murray (bicycle company), an American manufacturer of low-cost bicycles
* Murrays, an Australian bus company
* Murray International Trust, a Scottish investment trust
* D. & W. Murray Limited, an Australian who ...
's ''Systema Vegetabilium'', ed. 14 (p. 464) in May–June 1784,[ and again in Thunberg's ''Flora Japonica'' (p. 203) in August 1784. He described the species as "fol. ovatis subtus tomentosis", leaving no doubt that the plant was named from the tomentum, or wooly hairs, on the underside of the leaves. Murray gives credit to Thunberg.][The ]ICBN
The ''International Code of Nomenclature for algae, fungi, and plants'' (ICN) is the set of rules and recommendations dealing with the formal botanical names that are given to plants, fungi and a few other groups of organisms, all those "trad ...
requires "Thunb. in Murray" when full bibliographic citation is given, but just "Thunb." when it is not.
See also
*Montmorency cherry
The Montmorency cherry is a variety of sour cherry (''Prunus cerasus'') grown in Europe, Canada, and the United States, particularly in the Grand Traverse Bay region of Northwest Michigan and in Door County, Wisconsin. Montmorency cherries are par ...
References
*
*
External links
*
{{Taxonbar, from=Q627393
tomentosa
Cherries
Flora of Northeast Asia
Flora of China
Flora of Korea