Which type of drug is obtained from the plants whose flowering branch is shown below?

Datura is a genus of nine species of poisonous vespertine flowering plants belonging to the family Solanaceae. All Datura plants contain tropane alkaloids such as scopolamine, hyoscyamine, and atropine, primarily in their seeds and flowers. Because of the presence of these substances, Datura has been used as a poison or hallucinogen. Thus, the correct answer is 'Hallucinogen'.