calycanthus

What Is The Common Name For Calycanthus? Calycanthus floridus, commonly called Carolina allspice, is a dense, rounded deciduous shrub with a suckering habit which grows 6-9′ (less frequently to 12′) tall with an equal or slightly greater spread. Is calycanthus poisonous? Calycanthus contains calycanthine, an alkaloid similar to strychnine, and it is toxic to humans