1) Asterid dicot genus 2) Genus dracocephalum 
(from the article `dragonhead`) either of two genera of plants, Dracocephalum (see photograph) and Physostegia, both belonging to the mint family (Lamiaceae), order Lamiales. The ...
Dracocephalum ('dragon's head'), is a genus of odoriferous annual and perennial herbs, of the natural order Labiatae, mostly found in the north of Asia, Europe, and America. The most generally cultivated species is Dracocephalum canariense, or Canary balm of Gilead.
[n] - genus of American herbs and dwarf shrubs of the mind family: dragonheads
genus Dracocephalum noun genus of American herbs and dwarf shrubs of the mind family: dragonheads