1、 Leaf difference

The leaves of Malvaceae are basal, with long stalks. The two sides of the leaves are unequal. The outline is wide oval, 6 to 13 cm long and 4.8 to 8.5 cm wide. The apex gradually becomes sharp, the base is slightly skewed, and the base is heart-shaped or deep heart-shaped. The edges of the leaves have triangular double serrations of different sizes, sometimes in notch shape. Short hairs are scattered on the leaves and light green below

The leaves of sauerkraut are obovate or oblanceolate, vaguely oblong lanceolate, about 5 to 10 cm long and about 2.5 to 4 cm wide. The top of the leaves is sharp or gradually becomes sharp, and the base is wedge-shaped and gradually narrow. The upper part of the leaves is green and the lower part becomes purple when dry

2、 Flower difference

Purple backed sunflower scape is 6 to 18 cm high, glabrous, with pink flowers and umbels. The pedicel of the flower is 1.5 to 2 cm long, glabrous, and there are 4 perianth pieces, which are red

The floret is orange yellow or red, the Corolla is obviously extended from the involucre, 13 to 15 mm long, and the lobes are ovate triangular