Gleditsia triacanthos (Honey Locust)
Native: Central N. America
Location: Planted as an ornamental in Europe, particularly south.
Bears stout branched thorns.
Leaves have 7-16 pairs of leaflets and turn yellow in autumn.
Male and female flowers open in June in separate clusters on the same tree. Male catkins expand to about 5cm, each flower about 0.5cm wide with equal petals. Female clusters have few flowers.
Fruit pod is 25-45cm long. They dry out around October and fall during winter.