Catalpa bignonioides (Indian Bean)
Also known as: Southern Catalpa
Native: South-eastern United States
Location: Cultivated in parks and gardens in eastern States and in west, central and south Europe, including Britain.
Leaves are downy underneath and may be shallowly lobed. They do not unfurl till late June an turn black before falling in autumn.
Flowers open in June and July, each about 5cm across in a bunch about 15-20cm tall.
Fruit are 15-37cm long, hanging, and turn brown in the autumn splitting the following spring to release white papery seeds about 2.5cm long.