Modifiers matching cactus:

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

Simple categories matching psychoactive:

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