The composite (also called Asteraceae ) are the most numerous family of plants flower , with over 20,000 species: about 10% of all species of known flower. In nature, this family includes species taxonomically very different and able to colonize the most diverse habitats. Within this large family are in fact very different species, some wild and other cultivated for their use as ornamental plants, oilseed, tuber and even medicines.
The composite plants now have a worldwide spread, even though recent phylogenetic studies have identified South America as the center of origin of this family. Read more