A flower means I like it very much. You are the only one for me. Two flowers only represent the two of us in my heart. Three means I love you. Four flowers represent the eternal love. Five flowers represent sincere appreciation.

Six flowers represent mutual respect, love and understanding. Seven flowers represent my secret love for you. Eight flowers represent an apology. I hope you can forgive me. Nine flowers represent a long time. Ten flowers represent perfect love.

Data expansion:

Sunflower (Helianthus annuus? Herbs of Helianthus in Compositae, with stout stems and coarse white hairs; The flowers are tray-shaped, yellow, ligulate and tubular. Achenes are flat on ovoids.

Leaves alternate, stalks long, heart-shaped ovoid to ovoid, edges with coarse serrations, short and rough; The flowering period of sunflower is from July to September; The fruiting period is August-September. Sunflower is called sunflower because it looks like a small sun and is positive.

Sunflowers are mainly distributed in three northeastern provinces, Xinjiang and Inner Mongolia. And Russia, the United States, Argentina, France and other countries. Sunflower is warm and cold-resistant, suitable for cold climate, drought-resistant, and has low requirements for soil. They can grow on all kinds of soil, from fertile soil to arid land, barren land and saline-alkali land.

Sunflowers are propagated mainly by sowing. Generally, you can sow in March and April and harvest in July and August. According to Textual Research on Plant Names and Facts, the whole sunflower can be used as medicine, which has the functions of expelling wind, calming the liver, clearing away heat and promoting diuresis, detoxifying and expelling pus.

Sunflower seeds can be eaten as dried fruits after frying. Sunflower has a long flowering period and many nectaries, which is also an excellent honey source for beekeeping. Sunflowers also have high economic value.

Its stems can be used for papermaking, potash fertilizer and calcium fertilizer, and it is also one of the five major oil crops in the world. Sunflower seed oil belongs to semi-drying oil and is easy to extract. Sunflower flowers are big and beautiful, and are often planted in flower fields or cut flowers. Its flower language is "love, glory, loyalty, arrogance".