NouhuysiaNouhuysia is a genus of flowering plants in the family Clusiaceae. It includes three species endemic to New Guinea.Nouhuysia elaeocarpoides Nouhuysia novoguineensis Nouhuysia pachyphylla The genus was described by Carl Adolf Georg Lauterbach in 1912, and named after Jan Willem van Nouhuys, a Dutch naval officer and seafarer and director at two museums in Rotterdam who collected plants in New Guinea.