noun
American herb having sharply serrate lanceolate leaves and spikes of blue to violet flowers
• Syn: ↑dragonhead, ↑Dracocephalum parviflorum
• Hypernyms: ↑herb, ↑herbaceous plant
• Member Holonyms: ↑Dracocephalum, ↑genus Dracocephalum
Useful english dictionary. 2012.