[drag-uh
n-hed] 
| any of several mints of the genus Dracocephalum having spikes of double-lipped flowers. |
| drag·on·head (drāg'ən-hěd') n. Any of several plants of the genera Dracocephalum and Physostegia, having terminal spikes of rose-pink or purplish flowers. |
dragonhead
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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