Botanical gardens is the place of collection of living plants which are maintained for studies.
Role of botanical gardens are:
They give on-site teaching opportunities about plants, their collection and their classification.
They support research projects which integrate information from the diverse fields of anatomy, embryology, cytology etc.
They serve for the conservation of rare and endangered species.
They attract a large number of visitors for observing plant diversity.
They provide material for botanical research.
They also serves for preservation of herbarium specimens.
Major botanical gardens of India include Indian Botanical Garden, Sibpur; National Botanical Garden, Lucknow; National Botanical Research Institute etc.