Missouri Plants Bugleweed   (Ajuga reptans) Tracheophyta: Angiosperm: Dicot: Mint (Lamiaceae) Non-native from Europe Habitat: gardens as ground cover, part shade. ID Features: purple flowers on spikes. Natural History: Bugleweed is planted as a ground-cover in many gardens in North America. It bears purple/blue flowers atop short stalks. It is a mint with square stems.
The information is from: Missouri Wildflowers by Edgar Denison, 5th Edition, Missouri Department of Conservation, ©1998.