What is "verbenaceous"

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 of bloom.

a. (context botany English) Of or relating to the Verbenaceae, a family of mainly tropical flowering plants.