Just to go apples to apples, yes, the coca plant itself is also schedule 2. That goes for the opium poppy plant as well... "§ 1308.12 Schedule II.": (3) Opium poppy and poppy straw. (4) Coca leaves (9040) and any salt, compound, derivative or preparation of coca leaves (including cocaine (9041) and ecgonine (9180) and their salts, isomers, derivatives and salts of isomers and derivatives), and any salt, compound, derivative, or preparation thereof which is chemically equivalent or identical with any of these substances, except that the substances shall not include: (i) Decocainized coca leaves or extraction of coca leaves, which extractions do not contain cocaine or ecgonine; or (ii) [123I]ioflupane. (5) Concentrate of poppy straw (the crude extract of poppy straw in either liquid, solid or powder form which contains the phenanthrene alkaloids of the opium poppy), 9670. https://www.ecfr.gov/current/title-21/chapter-II/part-1308/subject-group-ECFRf62f8e189108c4d/section-1308.12