The Ericaceae family is represented by 100 genera and around 3,000 species.In it are included shrubs with alternate, simple, often evergreen and sometimes needle-shaped leaves without stipules. The flowers are regular, bisexual, solitary or gathered in various racemes. The sepals and petals are 4-5 each, joined. The number of stamens is twice the number of petal, arranged in a circle. The fruit-vessel is formed by 4-5 joined carpels and most often is a superior ovary. The fruit is a capsule or berry-like.
The members of the family are spread in the Himalayas, New Guinea and South Africa.In this country they are found in the Strandja Mointain and in the mountainous regions with coniferous woods.