A plant with purple, pink, or white flowers that supposedly resemble a dragon's head, or the head of a dragon-like fish.
From 'dragon' + 'head'. The flowering plant Dracocephalum was named for its flower shape resembling a dragon's skull in profile. This type of folk naming dates back centuries.
The dragonhead plant was valued in medieval gardens as both an ornamental and a medicinal herb—people believed its dragon-shaped flowers could protect against actual dragons, though that didn't work quite as well as hoped!
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