Jussieu, Antoine Laurent de(An|toine Lau|rent de Jus|sieu)
Pronunciation: /ʒuːˈsjəː, ʒusjœ/
(1748–1836), French botanist. Jussieu grouped plants into families on the basis of common essential properties and, in Genera Plantarum (1789), developed the system on which modern plant classification is based.