Small Periwinkle, an introduced species, has been added to the USWildflowers database (11/10/2011.) Scientific name is Vinca minor. It is also known by the common names Common Periwinkle, Dwarf Periwinkle, Lesser Periwinkle, and Creeping Myrtle .  Photo below was taken in Reflection Riding in Hamilton County, TN on March 19, 2011.   Go to the Small Periwinkle detail page for more photos and information.

Small Periwinkle, Common Periwinkle, Dwarf Periwinkle, Lesser Periwinkle, Creeping Myrtle - Vinca minor