Matthiola sinuata, commonly known as sea stock, is a coastal plant in the family Brassicaceae.

A short-lived (biennial) herbaceous plant, growing to 60 cm in height.

[2] In continental Europe it is not rare, but it is seldom seen in the British Isles, where it is extinct in Scotland and probably Ireland.

[6] The genus Matthiola takes its name from Italian physician and naturalist, Pierandrea Mattioli.

The species epithet sinuata is Latin for 'sinuous' i.e.