Conifer family containing around 30 genera (17 monotypic) with around 140 species with worldwide distribution. They are monoecious, subdioecious, or occasionally dioecious trees and shrubs from 1-116 m (3-379 ft) tall. The bark of mature trees is commonly orange- to red- brown and of stringy texture, often flaking or peeling in vertical strips, but smooth, scaly or hard and square-cracked in some species.