Any of about 300 species of chiefly perennial herbaceous plants that make up the genus Limonium of the family Plumbaginaceae, especially L. vulgare .
Bearing small flowers in dense spikes, L. vulgare grows in large tracts that sometimes turn acres lilac-coloured in late summer. The flower spikes of this and other sea lavenders are often used in dry-flower arrangements for their lasting qualities and permanent colours.