About Dianthus carthusianorum L.
Dianthus carthusianorum, commonly called Carthusian pink, is a species of the Dianthus genus. It is native to Europe, with a range extending from Spain north to Belgium and Poland, and east to Ukraine. It grows in dry, grassy habitats, and can be found at altitudes as high as 2,500 m (8,200 ft) in mountain areas. This is a variable herbaceous perennial plant that reaches a height of 60 cm (24 in). Its leaves are slender, with a color ranging from green to a slightly glaucous greyish-green. Leaves grow up to 7 cm (2.8 in) long and 5 mm (0.20 in) wide. The flowers are 18–20 mm (0.71–0.79 in) wide, and are most often dark pink to purple, though occasionally they are white. Several flowers are produced together in a tight flowerhead.