1, first cut out a square piece of paper with yellow cardboard.
2. Fold back and forth repeatedly like a folding fan.
3. When finished, fold it in the middle.
4. Glue the middle and bottom.
5. Repeat the above actions to complete another small semicircular sector and merge it into a real circle.
6. Cut out a small circle with brown cardboard and stick it on the flower made in the previous step.
7. Take out a long piece of green cardboard and roll it into a slender tube to make a sunflower stem.
8. Cut off two leaves at the same time.
9. Finally, stick the flowers and stems together.
Sunflower is a plant of the genus Helianthus in Compositae. Height1-3.5m. The stems are erect, round and angular, hard and covered with white coarse bristles. Leaves broadly ovate usually alternate, apex acute or acuminate, base with 3 veins, margin coarsely serrated, both sides rough, hairy and long handle. Head, diameter 10-30 cm, solitary at the top of stem or branch. ?
The involucral bracts are multi-layered, leafy, imbricate, with long bristles, bloom in summer, and have neutral yellow tongue-shaped flowers at the edge of inflorescence, which do not bear fruit. The middle of the inflorescence is a bisexual tubular flower, brown or purple, which can bear fruit. Achenes are oval, lignified, gray or black, and are called sunflower seeds.
Native to South America, the domesticated species was brought to Europe from North America by the Spanish in 15 10, and was originally used for viewing. /kloc-It was introduced back to North America from Russia at the end of 0/9. It was cultivated in China. Sunflower seeds are called sunflower seeds and are often fried as snacks. They are delicious, sunflower seed oil can also be squeezed out to eat, and oil residue can be used as feed.