Modifiers matching cactus:

• small,
• smaller,
• psychoactive,
• indigenous,
• young,
• diverse,

Simple categories matching psychoactive:

• drug,
• herb,
• substance,
• effect,
• pharmaceutical,
• medication,
• agent,
• stimulant,
• property,
• benzodiazepine,
• chemical,
• intoxicant,
• amine,
• plant,
• medicine,
• peptide,
• food,
• alkaloid,
• constituent,
• ligand,
• cactus,
• compound,