1、 Blade difference

The leaves of echinacea are opposite, triangular and fleshy. It is about 3-6cm long and about 3-4mm wide. It has a convex tip and holds the stem at the base. The color is pink green and there are many small spots

The leaves of sunflower are alternate, nearly cylindrical linear or subulate narrow lanceolate, smaller than the former, about 1-2 cm long and 1-4 mm wide, and the color is green

2、 The difference between flowers

Pine leaf chrysanthemum is solitary at the end of the branch, with a diameter of about 4-7.5 cm. The bracts are leafy and opposite. The pedicel is about 8-15 cm long. The calyx has 5 deep lobes, different sizes of lobes, and most petals are purplish red to white. Flowering occurs in spring or summer or autumn

Sunflower is smaller than the former, with a diameter of about 2 cm, 6-9 bracts in whorls, 5 petals, red purple in color, wide obovate, and the flowering period is from May to August