Caucasian wingnut
Pterocarya fraxinifolia
Family: Juglandaceae
What it is like
A dome shaped deciduous tree. It grows 25 m high. It spreads 18 m wide. The branches are stout. The bark is grey and broken into a network of cracks. The twigs are hollow in the centre divided into plates. The leaves and flowers do not have scales. The leaves are alternate and divided into 7-21 leaflets. These are along the stalk. The leaflets do not have stalks and have teeth around the edge. They are shiny and bright green above and paler underneath. The male and female flowers are separate on the stalk. The male catkin is fat and the female in narrow. They are 7.5-12.5 cm long. The fruit is winged. The long fruiting catkins carry many winged seeds.
Where it is found
It is a temperate plant. It is native to the E. Caucasus and N. Iran. It grows in damp places near streams. It will also grow in drier places. It needs sheltered places protected from late frosts. It suits hardiness zones 7-9.
Countries/locations it is found in
Armenia, Australia, Azerbaijan, Britain, Caucasus, Central Asia, Europe, France, Georgia, Iran, Middle East, Russia, Slovenia, Tajikistan, Turkey, Türkiye, Ukraine
How it is used for food
Edible parts
Seeds, nuts
How it is grown
Its other names
Local names
Kavkaški krilati oreškar
Synonyms
Juglans fraxinifolia Lam.;