Adriaan van Royen

Adriaan van Royen was a Dutch botanist. He was a professor at Leiden University and is associated with Carl Linnaeus.
He is best known for his work on flora of Southeast Asia. Adriaan van Royen formed a close relationship with Linnaeus, who had visited the Leiden Botanic Garden during a stay in Leiden between 1737 and 1738.
He was elected a Fellow of the Royal Society in 1728.
He died in Leiden in 1779.
The genus Royena L., in the Ebenaceae, and Melastoma royenii Blume. Sutton, D.A. are named after him.