indian lilac or neem (azadirachta indica) tree trunk with rough and cracked bark : (pix sshukla)

africa antifeedant australia azadirachta bark bitter bitter-sweet deciduous disruptor drought ecology environment extracts family fast-growing fibrous flowers fragrant fruits genus green growth india indian indica inflorescences insect insecticide introduced leaves lilac mahogany medicinal medicine meliaceae naturalized neem nimbolide ocean oil pakistan phytochemical pinnate plantation polyphenols pulp purpose regions resistance savanna seed seeds semi-tropical shade soil streets subcontinent traditional tree tropical weed white yellow