Basisdaten
description:
As the name suggests, comes the Caucasian wingnut from the region of Caucasus / Iran. The wood is used for veneers, which are very popular because of their dark texture.
Tree profile
name botanical:
Pterocarya fraxinifolia
other name:
Caucasian Walnut
family:
Walnut family (Juglandaceae)
species:
deciduous tree
height:
up to 20 m (66 ft)
leaf:
The leaves of the wingnut are imparipinnate and can be up to 60 cm (23.6 in) long. The leaf consists of 11-27 single leaves. The leaf margin of the leaflets is serrated.
leaf shape:
imparipinnate
leaf margin:
serrated
leaf position:
alternate
fall foliage:
yellow
flowering:
May
blossom color:
green
blossom description:
The male flowers form thick catkins about 10 cm (3.9 in) long and is yellow - greenish. The female flowers are slightly longer.
gender distribution:
monoecious
fruit:
The semicircular samaras adhere long on a 20 to 40 cm (7.9 – 15.75) in long seed head.
branches:
The twigs are green to brownish with a few lenticels. The buds are cleaved brown, long and protruding.
bark:
The bark is light brown to gray with furrows.
root:
Shallow-rooting plant, far reaching roots, extend beyond the crown area
location:
Sun to half-shade
soil:
sandy - loamy to loamy
ph value:
slightly acidic to alkaline
usage:
single tree or planting in groups for parks and green areas