Agastache
noun
Agas·ta·che
ə-ˈga-stə-(ˌ)kē
: a genus of North American herbs (family Labiatae) having opposite toothed leaves and dense terminal spikes of 2-lipped flowers see giant hyssop
Word History
Etymology
borrowed from New Latin, from Greek aga-, intensifying prefix + New Latin -stache, derivative of Greek stáchys "ear of grain, offspring"
First Known Use
1892, in the meaning defined above