Tetradynamous condition is characteristic of family
In Cruciferae or Brassicaceae or Mustard family, the androecium has 6 stamens that show tetradynamous condition. The stamens are arranged in two whorls. The outer whorl has short stamens while the inner whorl has long stamens. This is called tetradynamous condition. Hence, the correct answer is 'Cruciferae/Mustard/Brassicaceae'.