Anastatica or white mustard flower is a monotypic genus with the type species Anastatica hierochuntica. The genus is a member of the family Brassicaceae (formerly Cruciferae), in the division Magnoliophyta of the class Magnoliopsida. The plant is a small gray annual herb that rarely grows above 15 centimetres (6 in) high, and bears minute white flowers. It is a tumbleweed and a resurrection plant. This species is not to be confused with Selaginella lepidophylla, also known as "rose of Jericho" and "false rose of Jericho".