Horseradish plants are as high as 1 m, with fleshy roots, stout stems with longitudinal grooves, and irregular serrations or crenate or entire leaves. April-May is its flowering period, and May-June is its fruiting period. Its flowers are white and its seeds are small and oblate.
Morphological characteristics.
Perennial erect herbs, up to 1 m, all glabrous. The root is fleshy, spindle-shaped, white and branched at the lower part. The stem is stout, with longitudinal grooves on the surface and many branches. Basal leaves are oblong or oblong-ovoid, with a length of15-35cm and a width of 7.5-15cm. The edges are crenate, the top is short or tapering, the base is heart-shaped or wedge-shaped, and slightly extended. The pinnate reticulate veins on the back of the leaf are raised, and the petiole is semicircular, up to 30cm long, with a concave top.
Cauline leaves are sessile or short-stalked, the lower leaves are oblong to oblong-lanceolate, the edges are usually pinnately lobed, the Ye Guang in the middle is lanceolate, and the upper leaves are gradually smaller, lanceolate to strip-shaped, and the edges are irregularly serrated or crenate or entire.