Cannabinoids in other plants
Cannabinoids are known in a handful of plant species besides cannabis. These include Echinacea purpurea, Echinacea angustifolia, Acmella oleracea, Helichrysum umbraculigerum, and Radula marginata. The Echinacea species has the best-known cannabinoids that are not derived from Cannabis. They are lipophilic alkamides(alkylamides) and least 25 different alkylamides have been identified. Black truffles contain anandamide and Perrottetinene, is a moderately psychoactive cannabinoid, and has been isolated from different Radula varieties.