in taxon spice or flavor-producing plant tumble mustard plant PLANTS:SIAL2 tall rocket Sisymbrium altissimum is a species of *Sisymbrium*. The plant is native to the western part of the Mediterranean Basin in Europe and Northern Africa and is widely naturalized throughout most of the world, including all of North America. Edible Parts: Leaves, Seed. Edible Uses: Condiment. Young leaves and shoots - raw or cooked. A somewhat hot flavour, they can be used as a flavouring in salads or cooked as a potherb. Seed - ground into a powder and used as a gruel or as a mustard-like flavouring in soups etc. [http://www.pfaf.org/user/Plant.aspx?LatinName=Sisymbrium+altissimum] sisymbrium altissimum Sisymbrium altissimum requires discussion