The members of the Ulmaceaefamily are deciduous trees with alternately arranged leaves andunisexual orbisexual flowers, solitary or gathered in inflorescences. The fruit is a winged nut or drupe.
The Ulmaceaefamily is represented in15 generawhich include approximately 130 species. It is spread in the temperate, subtropical and tropical climate zones in the Northern Hemisphere, they cannot be found south of the equator. In our environment they are quite modestly represented by just 2 genera and a total of5 species.
The Ulmaceae, in contrast to the Fagaceae, for example, never form woods just of their own and are always part of forest communities consisting primarily of other wood species.