Diplotaxis antoniensis is a species of flowering plants of the family Brassicaceae. The species is endemic to Cape Verde.Oromí, Martín, Zurita & Cabrera, 2005 : Lista preliminar de especies silvestres de Cabo Verde: Hongos, Plantas y Animales Terrestres. Gobierno de Canarias, Consejería de Medio Ambiente y Ordenación Territorial, p. 42 It is listed as a vulnerable plant by the IUCN.
Distribution and ecology Diplotaxis antoniensis is restricted to the island of Santo Antão. It occurs between 1,100 and 1,500 metres elevation in arid, semi-arid and sub-humid zones. It is found on mountain slopes, in stony plains and in cultivated fields, where it is considered as a weed.
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