How many kinds of flowers are there?

450,000 species. There are the following kinds of flowers:

1, spring flowers (March-May), summer flowers (June-August), autumn flowers (9-165438+1October) and winter flowers (65438+2-February) commonly used woody flowers are plum blossom, peach blossom and peony.

2. Desmodium, Chrysanthemum, Chaenomeles, Sweet Pea Xia Lan, Dianthus, Lycoris radiata, Lotus, Cuiju, Water Lily, Paeonia lactiflora, Fluconazole, tuberose, Marigold, Solanum tuberosum, Cymbidium hybridum, Echinacea, Corydalis fragrans, Narcissus, Eupatorium odoratum and Narcissus. In South China, most of them are annual flowers, but biennial flowers are not easy to bloom on the flat land.

3. The cultivation period of annual grass flowers is short, which usually blooms within 2-6 months, and naturally dies after flowering and fruiting, such as pansy, zinnia, cockscomb, a bunch of red, malachite, cosmos, calendula, etc. Annual grass flowers are all positive plants, and the cultivation area must have enough sunshine to grow and bloom normally. If the sunshine is insufficient, it will easily lead to poor growth and poor growth, but it is not easy to bloom.

4. Although the life span of grass flowers in one year is short, the flowers are bright and beautiful, which can be used as potted plants, cut flowers or flower beds for beautification. In landscape application, species can be changed alternately according to seasons, bringing fresh, gorgeous and spectacular visual enjoyment to people. Perennial grass flowers, also known as perennial grass flowers, generally refer to perennial grass flowers with beautiful flowers and mainly ornamental flowers among perennial herbs. Perennial grass flowers can last for many years. No matter whether the above-ground part has blossomed or not, the underground part still keeps vitality, and it can germinate and grow in the next year, such as African impatiens, chrysanthemums, gerbera, ornamental pineapples, Belamcanda, African violets, birds of paradise, firecrackers and so on. ?

5. Perennial grass flowers can be used for viewing, such as arranging garden flower beds, potted plants, cut flowers and flower arranging materials. Especially in flower arrangement materials, perennial grass flowers are the main sources of flower materials, such as chrysanthemums, carnations, candles, all over the sky, birds of paradise, star flowers and so on. Perennial grass flowers have positive plants that like plenty of light, and negative plants that like to grow in loose and soft light. Seasonal temperature changes and sunshine duration have obvious effects on the growth and flowering of perennial grass flowers, which must be properly managed to bloom smoothly.

6. Perennial plants, also known as vines or creepers, refer to plants whose stems and branches are easy to elongate and cannot be independent. They can grow normally only by winding their tendrils or vines and even crawling on the ground, including herbaceous vines and woody vines, which are also divided into climbing vines, such as melons, Ficus stipulata and Euphorbia humilis, with tendrils or adventitious aerial roots, and can grow around other things. Twisted vines, such as morning glory, rose fish, yellow grass, black eel vine, honeysuckle and so on. Can grow around other things.

7. According to the different forms and parts of hypertrophy, it can be divided into bulbs (such as Lily, Zhu Ding Opera, Narcissus, tennis flower), bulbs (such as gladiolus, Crocus sativus, freesia), tubers (such as Erythrina, colorful taro, long tube flower), tubers (such as Dahlia, THE TEMPLE OF JIALAN) and rhizomes (such as Canna, Lithocarpus glabra). According to their growing places, bulbous flowers can be divided into temperate or tropical varieties. Temperate varieties like cold (such as tulip, hyacinthus orientalis, narcissus, etc.). It is not easy to cultivate flowering bulbs in South China. Bulbs are introduced from other places every year and bloom after short-term cultivation. Tropical varieties (such as tuberose, tennis flower and canna) grow well in South China all year round.

8. The growth cycle of bulbous flowers has a long-term drought-resistant habit-dormancy. The dormancy period varies with varieties, about 30-90 days. During dormancy, stems and leaves wither and die, and a large number of nutrients are stored in underground bulbs. However, some varieties only stopped growing during dormancy, and there was no obvious death (such as Zhu Dinghong, Eupatorium adenophorum and Echinacea purpurea). In cultivation, in order to shorten the dormancy period and promote orderly flowering, low-temperature refrigeration is often used to break the dormancy of bulbs.

Extended data:

Cultivation method

1, scorching method: put the end of the flower branch on the candle flame, immediately soak it in alcohol for one minute, and then rinse it with clear water. Hydrangea, clove, woody, peony, rose, chrysanthemum, ivory red, etc. It can be treated in this way.

2. Soaking and scalding method: soak the base of the flower branch in boiling water for about ten seconds, and block the incision to prevent the juice from overflowing in the flower branch tissue.

3. Deep-water first aid: When the flower droops, you can cut a short section at the end of the flower branch and put it in a container filled with cold water, leaving only the flower head exposed in the water. After an hour or two, Huazhi will wake up. This method is suitable for both herbaceous plants and woody flowers.

4, the use of preservative method: adding a proper amount of flower preservative in the container of flower arrangement can prolong the time of flower arrangement. In addition, using 1/3000 aspirin solution or 1/2000 potassium permanganate solution can prolong the flowering period by three to five days, and appropriate amounts of boric acid, sulfur, carbolic acid, salicylic acid, salt and vitamins can prolong the flowering period.

5. Enlarged incision method: generally, the base of the flower branch is obliquely cut; Or cut the base into two or four pieces, embed pebbles and open the gap; You can also crack the base by hammering to expand the water absorption surface. Among them, oblique cutting is the most commonly used method, and the latter two are mainly used for woody flowers, such as magnolia, hydrangea, clove and wisteria.

6, sterilization method: put alcohol, KMnO4, camphor, boric acid, citric acid, salt, alum, etc. It can play a bactericidal role in water. Only when the water does not rot can plants absorb water and keep fresh. Note: it must be prepared into solution before use, and it must not be directly put into water without dissolution. When using salt, be careful not to have too high a concentration.

7. Nutrition method: After the flowers are cut from the mother, they lose their source of nutrition. Nutrients such as sugar, beer, aspirin and vitamin C can be added.

8, spray, injection method: for many flowers with hollow stems, you can put the flower feet under the faucet to force irrigation.

References:

Baidu Encyclopedia: Flowers