Designed by Vico Magistretti, Patricia Urquiola in 1996 for De Padova (Milan), still a good selling chair.

from De Padova website:
An upholstered armchair, like the corolla of a flower. The armrests and back are rounded petals. A comfortable embrace in well-proportioned and gentle forms. In fixed or swivel versions, covered with fabric, Flower is perfect in the home or office.