Nutmeg is a spice, usually obtained from the plant "Myristica fragrans". He collected male "Myristica fragrans" flowers on the Isle de Cayenne in about 1784. Nutmeg oil is a volatile essential oil from nutmeg ("Myristica fragrans"). "Myristica fragrans" was given a binomial name by the Dutch botanist Maartyn Houttuyn in 1774. "Myristica fragrans" is an evergreen tree, usually tall, but occasionally reaching or even on Tidore.