Floral diagram and floral formula together show the following characters of mustard.A. Tetramerous flowers B. Parietal placentationC. Actinomorphic nature of flowerD. Six stamens in in two whorls with each whorl having 3 stamens.

Flowers of Mustard show tetramerous condition, parietal placentation, actinomorphic condition and the six stamens are arranged in two whorls with two in outer whorl on the lateral side and the four in the inner whorl in anterio-posterior pairs.