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Fagaceae
Quercus

Quercus petraea
'Eastcolumn'

Quercus petraea 'Eastcolumn'
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Søjleformet 1. størrelse højere end 12 meter Halvåben krone
Højde: 10 - 15 m
Krone: columnar
Bark og grene: greyish-brown, remains smooth for a long time
Blad: narrow, elongated, shallow and irregular lobes, greyish-green, 8 - 12 cm
Blomster: yellowish-brown Y catkins, 5 - 8 cm long, May
Frugter: acorns, ovoid, 2 - 2.5 cm long
Anvendelse: narrow avenues and streets
Jordtype: nutritious, can take dry conditions
Vindbestandighed: good
Oprindelse: Trompenburg Arboretum, Rotterdam, Netherlands, 1961
Vinterhårdhedszone: 5a
Synonym: -

A selection made by Mr Van Hoey Smith and found in the Rotterdam Trompenburg Arboretum. It is a slow grower that reaches a height of 10 - 15 m. 'Eastcolumn' has a denser and more compact manner of growth than Q. 'Columna'. Some old trunks develop shallow grooves. Young twigs are greenish-brown. The tough leathery leaves are yellowish-green when they emerge. They are narrow, elongated and lobed, more irregular in shape than those of Q. petraea. The tree has the attractive characteristic of being very resistant to mildew. The ovoid acorns grow together in groups and are one-third to one-quarter enclosed in the cupule. The tree also grows in dry soil provided that it is not too poor. Unlike other cultivars 'Eastcolumn' can take hard surfaces. It is therefore eminently suitable for placing in narrow avenues and streets. Not resistant to sea wind.

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