Scottish scurvy grass
noun
1Sea bindweed, Calystegia soldanella (formerly included in the genus Convolvulus) (now rare ).
2Either of two kinds of scurvy-grass, Cochlearia officinalis (sometimes considered to be a separate species, C. scotica) and C. micacea.
Origin
Late 16th century; earliest use found in John Gerard (c1545–1612), herbalist.