Plants vigorously spreading by leafy stolons and forming loose mats; flowering stems ±erect, 1-3 dm, commonly pubescent in strips decurrent from the lf-bases; lvs often coppery or purplish; basal lvs often persistent, relatively large and long-petiolate; verticils usually 6-fld; upper cor-lip entire; otherwise much like no. 1 [Ajuga genevensis L.]; 2n=32. Native of Eurasia, sometimes escaped into lawns etc. in our range. May, June.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.

From Flora of Indiana (1940) by Charles C. Deam

 

Indiana Coefficient of Conservatism: C = null, non-native

Wetland Indicator Status: N/A

Diagnostic Traits: Stoloniferous perennial <30 cm tall; bracts of inflorescence obvate to obovate; bilaterally symetric flowers deep blue, appearing 1-lipped; lower lip of flower 3-lobed; stamens 4.