Note: Information is dated. Do not rely on it.Pink. A genus of plants of which about seventy species are known, all, with perhaps one or two exceptions, natives of the northern and temperate parts of the European continent. Their roots are annual and perennial; the stems herbaceous and jointed; the leaves opposite and entire, and the flowers terminal, aggregate, or solitary, and always beautiful. The clove pink or carnation, and the garden pink, of which there are many varieties, are familiar species.