Corylus colurna

Corylus colurna is widely cultivated as an ornamental tree in Europe and North America.

Turkish hazelnuts are not to be confused with the wild hazelnut of Turkey, Corylus colurna.

Corylus colurna.'

If you can keep road salt away from it, the Turkish filbert (Corylus colurna), a good 40-footer, can stand up to city pollutants.

The larvae feed on Corylus avellana and Corylus colurna.

The Turkish filbert (Corylus colurna), a relative newcomer to the city's acceptable list, bears its yellow flowers in spring and has unusual ridged bark.

Many remarkable species grow there - e.g. European black pine (Pinus nigra) or Turkish hazel (Corylus colurna).

Corylus colurna (Turkish hazel) is a tree native to southeast Europe and southwest Asia, from the Balkans through northern Turkey to northern Iran.

The nuts are edible, although smaller than the more commonly cultivated filberts (Corylus maxima, Corylus colurna, Corylus avellana, and hybrids thereof).

Corylus colurna is however important in commercial hazelnut orchards, as it does not sucker, making it the ideal rootstock on which to graft the nut-bearing Common Hazel cultivars.

Other recorded host are Carpinus orientalis, Corylus colurna, Corylus maxima, Ostrya carpinifolia and Ostrya virginiana.

In drier areas such as the valley of the upper Ghaghara River it includes Populus ciliata, Ulmus wallichiana, and Corylus colurna as well and the riverbanks are dominated by Himalayan Alder (Alnus nitida).