Plantiac liquids that can be obtained from the roots of the liquorice plant ("Glycyrrhiza glabra", Dutch "zoethoutwortel"). Whereas so-called eau-de-vie (or other grape-based extracts) is sometimes used during the production of Dutch Brandy, this does not happen when Plantiac is made. It contains 35% alcohol. The brown colour of Plantiac is obtained using caramel. It is not certain when Plantiac was first made. Although advertisements insist on a 100-year anniversary in 1970 this is not true. Plantiac was first produced as Plantinga Cognac by the Plantinga distillery in Bolsward, Netherlands, most likely in the 1930s or 1940s. The 100-year anniversary seems
Cyanea glabra hawaiiense", "Pipturus albidus", "Coprosma" spp., "Wikstroemia oahuensis", "Clermontia kakeana", "Psychotria" spp., "Sadleria" spp., "Cyrtandra spathulata", "Touchardia latifolia", "Freycinetia arborea", and "Cyanea elliptica". The remaining 12 plants are part of one population divided into two subpopulations. Threats to the species include exotic plants, feral pigs, and landslides. Cyanea glabra Cyanea glabra is a rare species of flowering plant in the bellflower family known by the common name smooth cyanea. It is endemic to Maui, where there are twelve plants remaining in the wild. It was federally listed as an endangered species of the United States with nine other Maui Nui endemics