The Calycanthaceae (sweetshrub or spicebush family)'s a small family of flowering plants included in the order Laurales. The family contains four genera and only 6-11 species, restricted to warm temperate and tropical regions: Calycanthus (2-4 species; western and southeastern North America) Chimonanthus (3-6 species; eastern Asia) Idiospermum (1 species; Queensland, Australia) Sinocalycanthus (1 species; eastern Asia) They're aromatic deciduous shrubs growing to 2-4 m tall, except for Idi… (More on Calycanthaceae)