Family of New World tropical and subtropical herbs and shrubs and trees

Wikipedia Word definitions in Wikipedia
The Verbenaceae are a family , commonly known as the verbena family or vervain family , of mainly tropical flowering plants . It contains trees , shrubs , and herbs notable for heads , spikes , or clusters of small flowers , many of which have an aromatic ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Verbenaceous \Ver`be*na"ceous\, a. (Bot.) Of or pertaining to a natural order ( Verbenace[ae] ) of gamopetalous plants of which Verbena is the type. The order includes also the black and white mangroves, and many plants noted for medicinal use or for beauty ...