any of a genus (Limonium, family Plumbaginaceae) of stiff, dicotyledonous plants (order Plumbaginales) with white, pink, lavender, or yellow flowers and many branches: often dried for winter bouquets
See sea lavender in American Heritage Dictionary 4
noun
Any of several salt-marsh plants of the genus Limonium, having clusters of small lavender or pinkish flowers. Also called statice.