Sunflowers, with their unique sun-facing properties, bright flower disks and golden petals, are known as the "flowers of the sun". Sunflowers belong to the family Asteraceae, a family that contains a variety of plants with beautiful flowers. This article will introduce the Asteraceae family to which sunflowers belong, as well as some of the basic characteristics of sunflowers.
1. Introduction to Asteraceae
Asteraceae is a family of the dicotyledonous family of the order Chrysanthemum, which includes about 1,000 genera and more than 23,000 plant species. Plants of this family are widely distributed all over the world, especially in temperate regions. Asteraceae plants are mostly herbaceous, shrubs or small trees, with unique inflorescence structures such as capitate inflorescences, umbrella inflorescences or racemes, and the flowers are usually brightly colored and have high ornamental value.
2. Sunflower characteristics
Sunflower, whose scientific name is Helianthus annuus, is a plant of the genus Sunflower in the family Asteraceae. Sunflowers are typically annual herbaceous with erect stems and broad leaves. The flowers of the sunflower are composed of many small flowers, forming a ** flower disc surrounded by a circle of golden petals. The flower disc of a sunflower rotates with the movement of the sun as it grows, and this property is called "suntropism".
3. The relationship between sunflowers and Asteraceae
Sunflower belongs to the genus Sunflower in the Asteraceae family and has certain morphological and physiological similarities with other plants of the Asteraceae family. For example, they often have inflorescence structures such as capitate, umbel, or racemes, and the flowers are brightly colored. However, sunflowers differ from other Asteraceae plants in specific morphological characteristics and growth habits.
In conclusion, sunflower is a beautiful plant of the genus Sunflower in the Asteraceae family, which has become a favorite ornamental plant for its unique sun-facing characteristics, bright flower disc and golden yellow petals. Understanding the Asteraceae to which the sunflower belongs, as well as the basic characteristics of the sunflower, helps us better appreciate and understand this sunny flower. More than just a plant, the sunflower represents sunshine, vitality and optimism, and is a symbol of deep cultural significance.
Sunflowers