A shrub native of the cool temperate areas of northern hemisphere, Vaccinium uliginosum, and the berry of that shrub.
A plant of the species Cichorium intybus.
Cornflower blue.
A small annual plant in the family Asteraceae, Centaurea cyanus, usually with bushy blue flowers which grows natively in European cornfields (i.e. wheatfields).
Of a blue colour, as that of the cornflower; cornflower blue.