Huong Duong hh

"Sunflowers grow 5000 years ago in North America. In the 16th century adventurers brought sunflowers to Europe, then to Russia, Egypt and the Far East. Today sunflower is present in many countries around the world. It is famous for its name ""sun flower"".Characteristics of sunflowers:

There are over 150 species of sunflowers varying in height from 0.5 meters to 4.5 meters.

Most sunflower varieties have straight, hard, hairy bodies that surround the body.

Sunflower leaves are generally large, sparsely populated, with long stalks, long, pointed leaves, pointed at the tip of the leaf and heart at the petiole, serrated edges, both sides are white feathers.

Sunflowers flower in winter and spring. Very large sunflowers are about 19 - 27 cm in diameter, many yellow wings are covered in the outside, yellow on the inside.

When the flowers are old, the stigmas turn black and become sunflower seeds. Sunflower seeds have been used for junk food or for oil."