From The Collaborative International Dictionary of English v.0.48 :
Dracocephalum \Dra`co*ceph"a*lum\ prop. n.
A genus of American herbs and dwarf shrubs of the mind
family; the dragonheads.
Syn: genus Dracocephalum.
[WordNet 1.5]
From WordNet (r) 3.0 (2006) :
Dracocephalum
n 1: genus of American herbs and dwarf shrubs of the mind
family: dragonheads [syn: Dracocephalum, genus
Dracocephalum]