Adjective modifier

• lemon: Yogi Tea Green Jasmine A delicate blend of Green Jasmine and ginger, lemon grass and lemon verbena.

• purple: It had taken up station on a bright purple verbena that grows next to our greenhouse, so was visible some distance away.

Modifies a noun

• bonariensis: Verbena bonariensis I love this stylish, semi-evergreen perennial has been enjoying a resurgence of interest in recent years.

• oil: The leaves of Lippia citriodora yield an aromatic oil used in perfumery under the name verbena oil.