Pterocarya fraxinifolia (Caucasian Wingnut)

Native: Caucasus and northern Iran

Location: Occasionally planted for timber or ornament in Europe.

Has a short thick trunk.

Foliage

Leaves may be over 60cm long, but usually less with 7-27 stalkless leaflets, hairless on upper surface with tufts of hairs beneath. The common stalk is round and smooth.

Flowers

Flowers open in April, male catkins thick and green, 7.5-12.5cm long, females longer with more scattered flowers bearing red style developing into fruiting catkins.

Fruits

Fruiting catkins 30-50cm long with nuts surrounded by green wings about 1.8cm across.