26 Chinaberry tree Melia azedarach
Because of its purple or lilac coloured flowers it is also called the Lilac tree or Cape Lilac. It is native to the Malayan region of Asia and also found in Australia. It is a member of the mahogany family and its wood is a highly prized timber. The leaves and fruit are poisonous to humans but not to birds and it provides the insecticidal component of neem oil.