The members of the Cypress family are monoecious or dioecious evergreen trees or shrubs spread throughout the world classified in 27 to30 genera. The leaves are oppositely or vertebra-like arranged. They are scaly or needle-shaped. The cones are tiny, and their scales are formed by almost complete adhesion of the cover ones with the seminal ones. At ripeness the cones harden or remain succulent.
The Cupressaceaefamily includes the most voluminous Sequoiadendron giganteum (Lindl.) J.Buchholz) –of a trunk volume of 1,486.9 m³, the tallest Sequoia sempervirens Endl. – 115.55 meters of height, the widest Taxodium mucronatum Ten. – 11.42 meters in diameter of the stem and the second in age Fitzroya sp. – 3,622 years that are all different trees in the world.
In Bulgaria in park landscape practice major impact have the members come from the following genera: Cupressus, Chamaecyparis, Thuja, Juniperus and etc.