''Acer mandshuricum'', the Manchurian maple, is a species of

maple ''Acer'' () is a genus of trees and shrubs commonly known as maples. The genus is placed in the family Sapindaceae.Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008 nd more or less continuously updated since http ...

native to China (southeastern Gansu,

Heilongjiang Heilongjiang () formerly romanized as Heilungkiang, is a province in northeast China. The standard one-character abbreviation for the province is (). It was formerly romanized as "Heilungkiang". It is the northernmost and easternmost province ...

Jilin Jilin (; alternately romanized as Kirin or Chilin) is one of the three provinces of Northeast China. Its capital and largest city is Changchun. Jilin borders North Korea ( Rasŏn, North Hamgyong, Ryanggang and Chagang) and Russia (Prim ...

, Liaoning, southern

Shaanxi Shaanxi (alternatively Shensi, see § Name) is a landlocked province of China. Officially part of Northwest China, it borders the province-level divisions of Shanxi (NE, E), Henan (E), Hubei (SE), Chongqing (S), Sichuan (SW), Gansu (W), N ...

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 ...

and

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...

(

Primorsky Krai Primorsky Krai (russian: Приморский край, r=Primorsky kray, p=prʲɪˈmorskʲɪj kraj), informally known as Primorye (, ), is a federal subject (a krai) of Russia, located in the Far East region of the country and is a part of t ...

Description

''Acer mandshuricum'' is a slender

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, ...

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

that reaches a height of up to 30 meters tall but is usually smaller.Xu, T.-z., Chen, Y., de Jong, P. C., & Oterdoom, H. J
''Flora of China'': Aceraceae (draft)
van Gelderen, C.J. & van Gelderen, D.M. (1999). ''Maples for Gardens: A Color Encyclopedia''. It is a trifoliate maple related to such other species as three-flower maple (''

Acer triflorum ''Acer triflorum'', the three-flowered maple, is a species of maple native to hills of northeastern China (Heilongjiang, Jilin, Liaoning) and Korea. It is a deciduous tree that reaches a height of about but is usually smaller.Xu, T.-z., Chen, ...

'') and

paperbark maple ''Acer griseum'', the paperbark maple or blood-bark maple, is a species of flowering plant in the family Sapindaceae, native to central China.Flora of China (draft)''Acer griseum''/ref> ''Acer griseum'' is found in the Chinese provinces of Gan ...

(''

Acer griseum ''Acer griseum'', the paperbark maple or blood-bark maple, is a species of flowering plant in the family Sapindaceae, native to central China.Flora of China (draft)''Acer griseum''/ref> ''Acer griseum'' is found in the Chinese provinces of Ga ...

'') but has smooth, gray bark dissimilar to the exfoliating bark of either. The leaves have a petiole and three leaflets; the leaflets are short-stalked, oblong, long and broad, with serrated margins, the central leaflet the same size as or slightly larger than the two side leaflets. It leafs out early in the spring and the deep green leaves are contrast with its red petioles throughout the growing season. 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 yellowish-green, produced in

corymbs Corymb is a botanical term for an inflorescence with the flowers growing in such a fashion that the outermost are borne on longer pedicels than the inner, bringing all flowers up to a common level. A corymb has a flattish top with a superficial re ...

of three to five together. The hard, horizontally-spreading samaras are 3-3.5 cm long and 1 cm broad.Bean, W. J. (1970). ''Trees and Shrubs Hardy in the British Isles'', 8th ed.

Cultivation

The species was first introduced to cultivation in 1904, when trees were planted at the

Royal Botanic Gardens, Kew Royal Botanic Gardens, Kew is a non-departmental public body in the United Kingdom sponsored by the Department for Environment, Food and Rural Affairs. An internationally important botanical research and education institution, it employs 1,10 ...

in Britain. It has not proved very successful in cultivation in Britain, as its adaptation to a continental climate results in its early leafing and being damaged by late frosts in spring there; the largest recorded specimen is 8 metres tall (Tree Register of the British Isles). Although it is rarely seen in cultivation outside of

arboreta An arboretum (plural: arboreta) in a general sense is a botanical collection composed exclusively of trees of a variety of species. Originally mostly created as a section in a larger garden or park for specimens of mostly non-local species, man ...

, its narrow habit makes it suitable for small gardens and, like its relatives, it has spectacular fall colour that includes pink and orange tones. Best growth occurs in full sun to partial shade and in acid to neutral soil that is moist but well-drained.ONLA Plant Selection Committee
. In 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 territori ...

, mature specimens can be seen at Arnold Arboretum in Boston, Massachusetts USA, including one 70-year-old specimen that has reached a size of approximately tall and wide. In

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

, the Royal Botanical Gardens in

Hamilton, Ontario Hamilton is a port city in the Canadian Provinces and territories of Canada, province of Ontario. Hamilton has a Canada 2016 Census, population of 569,353, and its Census Metropolitan Area, census metropolitan area, which includes Burlington, ...

have three Manchurian maples each about tall.

References

External links

* * {{Taxonbar, from=Q1631785 mandshuricum Trees of China Trees of Korea Trees of Russia Plants described in 1867