Asarum rosei is a species of flowering plant endemic to North Carolina in the southeastern United States. It was first formally described in 2017 by Brandon T. Sinn in Phytotaxa. The species is named for Mark Rose, "a respected plant collector, horticulturalist, orchid breeder, and naturalist who discovered and documented the species".

Ocotea cymbarum is a species of Ocotea in the plant family Lauraceae. It is an evergreen tree found in Brazil, Colombia, French Guiana, Guyana, Suriname, and Venezuela.. Medical Uses. The essential oils from Ocotea cymbarum are often used in the synthesis of MDMA (contracted form of 3,4-methylenedioxy-methamphetamine); a psychoactive drug of the substituted …