"Then, in 1933 Johnston and Cleland reported that the plant Europeans usually associate with pituri, "Duboisia hopwoodii", is not chewed across most of central Australia – native tobacco is; and two years later Hicks and Le Messurier found in a 300-mile radius around the south-west, north-west and north of Alice Springs people "chewed, under the name of 'pituri' the leaves of at least two varieties of "Nicotiana" ... they wished to indicate that ["Duboisia hopwoodii"] was 'pituri', but only used when real pituri, i.e.