Pterocarya rhoifolia KYOTO CONVENTION ('Bokravention') – Pterocarya rhoifolia KYOTO CONVENTION ('Bokravention')

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Juglandaceae

Pterocarya rhoifolia KYOTO CONVENTION ('Bokravention') – Pterocarya rhoifolia KYOTO CONVENTION ('Bokravention')

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Unlike the round crowns of other species, P. rhoifolia naturally has a broad pyramidal crown shape. ‘Kyoto Convention’ has a narrower crown than the species and attains a height of approx. 15 m. The crown is dense and has a great mass of leaves so it captures a lot of CO2. The older bark is only slightly grooved and P. rhoifolia has bud scales, which again is unlike other species. They are light grey and already drop off in late winter. The pinnate leaves are fresh green and consist of many leaf segments. The male and female flowers appear in pendent green catkins. They are followed by long racemes of small winged nutlets that start off green, turning brown later. Forms very few or no root suckers. Requires fertile, moist soil. Good tree for use in avenues, streets and industrial areas.

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Specifications
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Height
15 m, fast growing
Width
10-12m
Crown
pyramidal, dark, dense crown
Bark and branches
twigs brown, bark grey-brown, slightly grooved
Leaf
imparipinnate with 11 - 19 leaf segments, 20 - 35 cm, leaf segments fresh green, elongated-oval, 6 - 12 cm, feathered leaf
Flowers
pendent ♂ and ♀ catkins, green, April/May
Fruits
winged nutlets in pendent racemes, 20 - 30 cm
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
fertile and moist
Paving
tolerates partial paving
Winter hardiness zone
6 (-23,3 to -17,8 °C)
Wind resistance
moderate to good
Other resistances
resistant to frost (WH 1 - 6)
Application
avenues and broad streets
Shape
clearstem tree
Origin
Mart Brugel Tree Nursery BV, Oudenbosch, the Netherlands, 1999
Synonyms
Pterocarya rhoifolia 'Kyoto Convention'
Clear stem tree clay soil loamy soil peaty soil sandy soil tolerates partial paving resistant to frost (WH 1 - 6) broad conical 1st size , taller than 12 metres dense crown green green early sprout fast growing Feathered leaf non-toxic (usually) Ornamental fruit Tree for the future
Frequently asked questions
Pterocarya rhoifolia KYOTO CONVENTION ('Bokravention')

Pterocarya rhoifolia KYOTO CONVENTION ('Bokravention') can eventually reach a height of 15 m, fast growing, depending on the site and climate conditions.

Pterocarya rhoifolia KYOTO CONVENTION ('Bokravention') is fast growing and can eventually reach a height of 15 m, fast growing, depending on the site and climate conditions.

The right time to plant Pterocarya rhoifolia KYOTO CONVENTION ('Bokravention') is during the dormancy period. In Western Europe, Pterocarya rhoifolia KYOTO CONVENTION ('Bokravention') with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

Pterocarya rhoifolia KYOTO CONVENTION ('Bokravention') blooms in april.
General