Lemon verbena

[Luis Fok]

Fragrant, sweet, lemony herb that makes a good tea and adds delicate flavor to custards and similar desserts.

[Vania]

a type of verbena (= a plant that has small colourful flowers growing in groups on its stems) whose leaves smell like lemon, and that is used in perfumes , etc., to give flavour to food, and to make tea: