1、 Stem difference
The lower stem of horseradish is very thick and conical, with a length of about 5-25cm and a width of about 2-4cm. It is light green as a whole
The stem of wasp is almost as long as that of horseradish, about 10-20 cm, and the rhizome is relatively short and thick
2、 Blade difference
The leaves of horseradish are clustered and in the shape of a circle center. The edges of the leaves have wavy serrations. The length of the petiole is about 30-35cm, which is relatively long
Its leaves are basal and have long petioles. The leaves are heart-shaped or kidney shaped. They often appear after flowering, with a length of about 2.8-6.8 cm. The edges of the leaves are double serrated
3、 Flower difference
The flower of horseradish is white and will open from March to April, and its raceme is also white
The male flowers are white or yellowish white and will open from April to May