Sunflower appearance
Sunflower leaves alternate, the leaves are wide, the base has three veins, the edges are coarsely serrated, the sides are rough, the stalks are long, and the flower heads are solitary at the top of the stems or branches.
What color is the sunflower?
Sunflowers are orange, light yellow, purple, yellow, brown, deep purple and other colors. There are tongue-shaped flowers and tubular flowers on the disk. Tongue-shaped flowers are asexual flowers with orange, light yellow and purplish red, which play a role in attracting insects to collect honey and pollinate.
Morphological characteristics of sunflower leaves
Sunflower has a pair of cotyledons, the true leaves are opposite at the lower part of the stem of 1-3 node, and the above are alternate. True leaves are relatively large, with short and hard bristles on the leaves and petioles.
What does sunflower seed look like?
Edible sunflower seeds are longer, with more black and white stripes and thicker pericarp, while oil sunflower seeds are shorter, with darker and thinner pericarp.
What do the roots of sunflowers look like?
The root of sunflower consists of taproot, lateral root and fibrous root. The main root is buried deeply, and the lateral root grows from the main root and grows horizontally. There are many fibrous roots on the lateral roots, and there are hair roots on the lateral roots and fibrous roots.
Sentences describing sunflowers
1, the night of sunflower is always lonely, because it needs to bear the dark night alone, without warmth and companionship, waiting for dawn in the long night.
2. April is sunny and rainy, and Nanshan is bright. There are no catkins in the wind, only sunflowers open to the sun.
Characteristics of sunflower plants
Sunflower, also known as sunflower, Japanese sunflower, sunflower, Japanese sunflower and sunflower, is the panicum miliaceum of the sunflower family, with a growth height of1-3.5m and erect stems.
The varieties of sunflowers are divided into edible sunflowers, ornamental sunflowers and mixed sunflowers, which are native to the tropics and have strong adaptability to temperature. They are plants that like temperature and cold.
Sunflower picture appreciation