dragonhead

Definition of Dragonhead in English :

American herb having sharply serrate lanceolate leaves and spikes of blue to violet flowers

WordNet Lexical Database for English. Princeton University. 2010.

Dragonhead

noun

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

noun

any of a genus (Dracocephalum) of plants of the mint family, with dense spikes of white or bluish flowers

: also called ˈdragˌon's-head

n.

Any of several plants of the genera Dracocephalum and Physostegia in the mint family, having terminal spikes of rose-pink or purplish flowers.