GO TO HOME.. End of Page.. The NEEM tree Azadirachta indica is a tropical evergreen tree native to India and is also found in other southeast countries.. ...... The earliest documentation of neem mentioned the fruit seeds oil leaves roots and bark for their advantageous medicinal properties.. Neem oil is a vegetable oil pressed from the fruits and seeds of the neem Azadirachta indica an evergreen tree which is endemic to the Indian subcontinent and has been introduced to many other areas in the tropics.. It is the most important of the commercially available products of neem for organic farming and medicines