|dragonhead or dragon's-head (ˈdræɡənˌhɛd)|
|1.||any plant of the genus Dracocephalum, of Europe, Asia, and North America, having dense spikes of white or bluish flowers: family Lamiaceae (labiates)|
|2.||any North American plant of the related genus Physostegia, having pink or purplish flowers|
|dragon's-head or dragon's-head|
either of two genera of plants, Dracocephalum (see ) and Physostegia, both belonging to the mint family (Lamiaceae), order Lamiales. The about 45 species of Dracocephalum, all native in temperate Eurasia except for one in North America, have two-lipped flowers, lobed at the base and the upper lip, resembling fanciful heads of dragons. In North America D. parviflorum produces a dense spike of blue flowers at the top of its 60-cm- (2-foot-) high stem
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