Henbane leaves are boiled in oil to derive henbane oil. "Datura" belongs to the classic "witches' weeds", along with deadly nightshade, henbane, and mandrake. This alcohol-based mixture contained bile, opium, lettuce, bryony, henbane, hemlock and vinegar. Common effects of henbane ingestion include hallucinations, dilated pupils, restlessness, and flushed skin. Henbane was one of the ingredients in gruit, traditionally used in beers as a flavouring. Henbane in Latin was known as "apollinaris herba" ("herb of Apollo"). Egyptian henbane is a perennial herb or shrub with a height of up to . Henbane seeds are an ingredient in incense blends. Henbane ingestion by humans is followed simultaneously by peripheral inhibition and central stimulation. Henbane oil is used for medicinal massage. The name henbane dates at least to AD 1265. This came from the plant called "Falezlez" by the Tuaregs ("Hyoscyamus muticus", or Egyptian henbane). Henbane material in most Western countries can be bought in pharmacies with a prescription only. Henbane is toxic to cattle, wild animals, fish, and birds. Henbane is an endangered plant according to the World Conservation Union's Red List.