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Prydværdi stamme Prydværdi blomst Prydværdi frugt Prydværdi efterårsfarve

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Betulaceae
Betula

Betula delavayi subsp. potaninii

Betula delavayi subsp. potaninii
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Bredt kegleformet/bredt pyramideformet 2. størrelse mellem 6 og 12 meter Halvåben krone
Højde: circa 3 m, grafted on a stem: 7 - 8 m
Krone: wide pyramidal
Bark og grene: bark dark grey, rough, twigs brown hairy
Blad: oval, very many veins, green, 2 - 4 cm
Blomster: catkins, yellow green
Frugter: fruit catkins, circa 2 cm long and 1 cm thick, pendent
Anvendelse: park, large garden
Jordtype: can be used in rocky soil
Vindbestandighed: good
Oprindelse: West China
Vinterhårdhedszone: 5a
Synonym: B. potaninii

In the wild this tree grows, at a height of up to 3000 m, in rocky mountain soils in West China. There it is a wide shrub and low spreading. In cultivation it is grown as a standard tree with a wide pyramidal crown and a height of circa 7 - 8 m. The bark and twigs are dark grey. Young twigs are brown with soft hairs. The leaf is oval and has many, 10 to 20, vein pairs, this is an important feature of this tree. The inflorescence and the fruit set strongly resemble that of B. utilis subsp. jaquemontii. The tree roots shallow and takes root easily in rocky soil. Very useful in locations where the soil contains many pebbles or stones. It is a rather unknown plant which is also relatively rare in cultivation.

Prydværdi stamme Parktræ Prydværdi efterårsfarve Tåler halvhærdning Til kalkrig jord Til sandjord Til tørvejord
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