material derived from plants

dried leaves of the coca plant (and related plants that also contain cocaine); chewed by Andean people for their stimulating effect

leaves of the tobacco plant dried and prepared for smoking or ingestion

the intoxicating agent in fermented and distilled liquors; used pure or denatured as a solvent or in medicines and colognes and cleaning solutions and rocket fuel; proposed as a renewable clean-burning additive to gasoline

(botany) a plant product that acts like a hormone

a liquid aldehyde with a penetrating odor; made from plant hulls and corncobs; used in making furan and as a solvent