Modifiers matching cactus:

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

Simple categories matching psychoactive:

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