Joseph Decaisne was a French botanist and agronomist. He became an aide-naturaliste to Adrien-Henri de Jussieu, who served as the chair of rural botany. It was during this time that he began to study

Camptotheca is a genus of medium-sized deciduous trees growing to 20 metres tall, native to southern China and Tibet. The genus is usually included in the tupelo family Nyssaceae, but sometimes includ