Hallucinogenic substances can be obtained from the following plants EXCEPT:

Step-by-step solution

According to NCERT Class 12 Biology (Human Health and Disease): Erythroxylum coca yields cocaine, and its excessive dosage causes hallucinations. The text further states, "Other well-known plants with hallucinogenic properties are Atropa belladonna and Datura." This confirms that Erythroxylum, Atropa, and Datura are considered to have hallucinogenic properties. Cannabis sativa yields cannabinoids, which are explicitly mentioned to affect the cardiovascular system of the body, and are not categorized as hallucinogen