ca·len·du·la 
(kə-lĕnjə-lə)
(kə-lĕnjə-lə)n.
A Mediterranean annual plant (Calendula officinalis) in the composite family, widely cultivated for its showy, yellow or orange, rayed flower heads that were formerly used in medicine, coloring, and flavoring of food. Also called pot marigold.
[Medieval Latin, marigold, from Latin kalendae, calends; see CALENDS.]