Quinolizidine (norlupinane, octahydro-2 H-quinolizine) is a nitrogen-containing heterocyclic compound. Some alkaloids (e.g. cytisine and sparteine) are derivatives of quinolizidine.
Quinolizidine , such as nupharine and related chemicals, can be found in Nymphaea lotus and other species in the family Nymphaeaceae. Quinolizidine alkaloids are also found in genistoidslegumes.
