The systematic collection aims to highlight the “relationships” between the plant species by offering a plant classification. It provides a flowering plant “family tree”.
The collection created between 1985 and 1989 is based on the system proposed by the American Arthur CRONQUIST (1981).
Only the part dedicated to dicotyledons is currently presented, with a thousand species planted.
The starting point is the Magnoliales order. This contains the current representatives of primitive flowering plants, from which all the other species are derived. You will see the tulip tree and the magnolias. This first border leads to a series of offshoots lined by walkways along which visitors can discover and follow the evolution of the different lines up to the most highly-developed flowering plants, such as the asteraceae (daisy family).