Answer
Botany, the field of expertise of Antoine Laurent de Jussieu, is the scientific study of plant life, encompassing their structure, growth, reproduction, classification, and distribution. It explores the diversity of plant species, their adaptations to various environments, and their interactions with other organisms, including humans. Botany plays a vital role in agriculture, horticulture, forestry, and medicine, contributing to food production, environmental conservation, and the development of pharmaceuticals.