''Acer'' × ''zoeschense'', the Zöschen maple, is a hybrid

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

, a cross between ''

Acer campestre ''Acer campestre'', known as the field maple, is a flowering plant species in the family Sapindaceae. It is native plant, native to much of continental Europe, Britain, southwest Asia from Turkey to the Caucasus, and north Africa in the Atlas Mou ...

'' (field maple), and either '' Acer lobelii'' (L'Obel's maple)Mitchell, A. F. (1974). ''A Field Guide to the Trees of Britain and Northern Europe''. Collins Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening''. Macmillan . or ''

Acer cappadocicum ''Acer cappadocicum'', the Cappadocian maple, is a maple native to Asia, from central Turkey (ancient Cappadocia) east along the Caucasus, the Himalayas, to southwestern China.Mitchell, A. F. (1974). ''A Field Guide to the Trees of Britain and No ...

'' (Cappadocian maple).Mitchell, A. F. (1982). ''The Trees of Britain and Northern Europe''. Collins van Gelderen, C.J. & van Gelderen, D.M. (1999). ''Maples for Gardens: A Color Encyclopedia''. While Field Maple parentage is universally accepted, the second parent is uncertain, though the tree's extensive production of root sprouts favours ''A. cappadocicum'' over ''A. lobelii''. It takes its name from Zöschen Nurseries in

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

, where it first appeared as a garden hybrid (as opposed to a hybrid occurring in nature) at some time before 1870.

Description

''Acer'' × ''zoeschense'' is a medium-sized

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, e.g., including only woody plants with secondary growth, only ...

growing up to 20 m (66 feet) tall, and almost as wide. The shiny, five-lobed leaves are 10–11 cm long and up to 14 cm broad, dark green, often with purplish edges. The petioles produce a milky

latex Latex is an emulsion (stable dispersion) of polymer microparticles in water. Latices are found in nature, but synthetic latices are common as well. In nature, latex is found as a wikt:milky, milky fluid, which is present in 10% of all floweri ...

when broken. The

flower Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, m ...

s are produced in open

corymb 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 ...

s 5–10 cm diameter, each flower small, pale yellow-green, with five sepals but no petals. The

fruit In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...

is a paired

samara Samara, formerly known as Kuybyshev (1935–1991), is the largest city and administrative centre of Samara Oblast in Russia. The city is located at the confluence of the Volga and the Samara (Volga), Samara rivers, with a population of over 1.14 ...

5 cm across; the two

seed In botany, a seed is a plant structure containing an embryo and stored nutrients in a protective coat called a ''testa''. More generally, the term "seed" means anything that can be Sowing, sown, which may include seed and husk or tuber. Seeds ...

s are usually

sterile Sterile or sterility may refer to: *Asepsis, a state of being free from biological contaminants * Sterile (archaeology), a sediment deposit which contains no evidence of human activity *Sterilization (microbiology), any process that eliminates or ...

Cultivation

One

cultivar A cultivar is a kind of Horticulture, cultivated plant that people have selected for desired phenotypic trait, traits and which retains those traits when Plant propagation, propagated. Methods used to propagate cultivars include division, root a ...

, ''A. zoeschense'' 'Annae', was popular as a street tree in previous generations. In the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...

, a mature and magnificent example of 'Annae' can be viewed in Westonbirt Arboretum. The

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

ese cultivar, 'Kinka', has variegated foliage.

References

{{DEFAULTSORT:Acer zoeschense Interspecific plant hybrids zoeschense