Another name for sunflower
Sunflower is an annual herb of Compositae, also known as "Chaoyang flower", "Sun Lotus" and "sunflower". The origin of sunflower is South America. At present, it is planted in Europe, Russia, China and other parts of the world
Morphological characteristics of sunflower
The stem of sunflower is a stout upright stem, which is in a multi angular circle with white coarse bristles
The leaves of sunflower are generally alternate, and the shape is generally oval or heart-shaped oval, with rough hair on both sides of the leaves
The inflorescence of sunflower is a huge head, which is solitary at the end of branch or the top of stem. It usually tilts downward when it opens
The fruit of sunflower is an obovate or oval oblong achene, namely "sunflower seed", and the lignified pericarp is black or gray
Growth habit of sunflower
Sunflowers can be planted all year round, and it is best in summer and winter. The growth rate of sunflower is very fast. It generally takes only about 2 months from planting to flowering, and the longest flowering period is more than two weeks
Value and use of sunflower
Edible value: because the sunflower seed contains a lot of oil, it has high edible value. It is a good oil crop, which can be pressed and fried
Medicinal value: many parts of sunflower plants can be used as medicine. They have many effects, such as clearing heat and resolving phlegm, expelling wind and detoxification, diuresis and analgesia
Purification value: sunflower has the greening function of repairing soil. Its root system can not only absorb nutrients, but also extract harmful pollutants from the soil
The flower language of sunflower
The first symbolic meaning of sunflower is "sun", followed by other meanings such as "admiration" and "silent love"