''Quercus canariensis'', the Algerian oak, Mirbeck's oak or zean oak, is an

oak An oak is a hardwood tree or shrub in the genus ''Quercus'' of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisp ...

native to southern

Portugal Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

Tunisia Tunisia, officially the Republic of Tunisia, is a country in the Maghreb region of North Africa. It is bordered by Algeria to the west and southwest, Libya to the southeast, and the Mediterranean Sea to the north and east. Tunisia also shares m ...

Algeria Algeria, officially the People's Democratic Republic of Algeria, is a country in the Maghreb region of North Africa. It is bordered to Algeria–Tunisia border, the northeast by Tunisia; to Algeria–Libya border, the east by Libya; to Alger ...

and

Morocco Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to Algeria–Morocc ...

. Despite the scientific name, it does not occur naturally today in the

Canary Islands The Canary Islands (; ) or Canaries are an archipelago in the Atlantic Ocean and the southernmost Autonomous communities of Spain, Autonomous Community of Spain. They are located in the northwest of Africa, with the closest point to the cont ...

. It is placed in section ''Quercus''.

Description

''Quercus canariensis'' is a medium-sized

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 Leaf, leaves, usually in the autumn; to the shedding of petals, aft ...

to semi-evergreen

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 to tall with a trunk up to in diameter. The

leaves A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, ...

are long and 6–8 cm broad, with 6–12 pairs of shallow lobes. 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

catkin A catkin or ament is a slim, cylindrical flower cluster (a spike), with inconspicuous or no petals, usually wind- pollinated ( anemophilous) but sometimes insect-pollinated (as in '' Salix''). It contains many, usually unisexual flowers, arra ...

s; 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 an

acorn The acorn is the nut (fruit), nut of the oaks and their close relatives (genera ''Quercus'', ''Notholithocarpus'' and ''Lithocarpus'', in the family Fagaceae). It usually contains a seedling surrounded by two cotyledons (seedling leaves), en ...

2.5 cm long and 2 cm broad, in a shallow cup. The tree is a recipient of the

Royal Horticultural Society The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity. The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr ...

Award of Garden Merit The Award of Garden Merit (AGM) is a long-established award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions. It includes the full range of cultivated p ...

Landmark specimens

Grand old Algerian oak tree was planted on 19 May 1863. It resides within the Kyneton Botanical Gardens in the town of

Kyneton Kyneton ( ) is a town in the Macedon Ranges region of central Victoria, Australia. The Calder Freeway bypasses Kyneton to the north and east. The town has three main streets: Mollison Street, Piper Street and High Street. Piper Street has ...

in the

Australian Australian(s) may refer to: Australia * Australia, a country * Australians, citizens of the Commonwealth of Australia ** European Australians ** Anglo-Celtic Australians, Australians descended principally from British colonists ** Aboriginal Aus ...

state of Victoria. This tree is listed by the National Trust on the Register of Significant Trees in Victoria. There are also two good specimens located in the Ballarat Botanical Gardens, one of which is believed to have been planted in 1920. There was another significant old Algerian oak tree in Victoria at the

Melbourne Melbourne ( , ; Boonwurrung language, Boonwurrung/ or ) is the List of Australian capital cities, capital and List of cities in Australia by population, most populous city of the States and territories of Australia, Australian state of Victori ...

Royal Botanic Gardens. It was known as Lady Loch's Oak; its trunk split in half in November 2007, due to the weight of its giant old limbs. The tree has been extensively planted in Canberra. There are over a dozen mature trees in

St Vincent Gardens St Vincent Gardens in the Melbourne suburb of Albert Park, is an Australian park of national significance. It is an example of nineteenth century residential development around a large landscaped square. Development occurred as a result of a b ...

Albert Park, Victoria Albert Park is an inner suburb of Melbourne, Victoria, Australia, south of Melbourne's Central Business District. The suburb is named after Albert Park, a large lakeside urban park located within the City of Port Phillip local government are ...

, some possibly dating back to the late 19th to early 20th century.

References

External links

{{Taxonbar, from=Q638095 canariensis Flora of North Africa Trees of Algeria Trees of Morocco Flora of Spain Flora of Portugal Trees of Mediterranean climate Plants described in 1809