What is "crambe maritima"

Kale \Kale\, n. [Scot. kale, kail, cale, colewort, Gael. cael; akin to Ir. cal, W. cawl, Armor. kaol. See Cole.]

1. (Bot.) A variety of cabbage in which the leaves do not form a head, being nearly the original or wild form of the species. [Written also kail, and cale.]

2. See Kail, 2.

   Sea kale (Bot.), a European cruciferous herb ( Crambe maritima), often used as a pot herb; sea cabbage.

Crambe maritima ( common name sea kale, seakale or crambe) is a species of halophytic flowering plant in the genus Crambe of the family Brassicaceae (Cruciferae), that grows wild along the coasts of Europe, from the North Atlantic to the Black Sea.