When you enter the gate of the Guangzhou Flower Research Center, the first thing that comes into your eyes is the very few left-hand lines that have a strange and interesting appearance that will seduce you to see the plants. It is one of the Pandanuidae to be introduced here, and Taiwanese call it the red thorns of the red spines. Pandanus utilis, which belongs to about 600 different species, is distributed in the world. There are six species in China, which are produced in the south and Taiwan provinces. The red thorn pouch native to Madagascar, an island nation in the Indian Ocean, has a plant height of up to 20 meters. It was introduced to Taiwan from Taiwan Province in the first 10 years. The growth performance is OK, but not everywhere, in some parks or green areas. Visible in its shadow, only as a decorative plant configuration. Its peculiar landlord, first of all, expresses the leaves in the branches and branches, spirals and grows, piles upwards in an orderly manner, resembles a circular staircase, is extremely majestic, and has an enchanting artistic conception. Its sword-shaped leaves More than 1 meter long, the leaf margin has a red and sharp thorn. The back of the main vein of the leaf also has a line of the same thorns. It shows its majesty, the leaf color is yellow in the sun under the sunlight, and the leather is healthy and shiny. , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Surrounded by dozens of straight roots, the air roots reach the ground and are inserted into the earth like normal roots. They absorb water and nutrients in the soil to supply plant growth. The air roots are 6 cm thick. It is shaped like a burdock root and supports the trunk. It has reached the level of equality, and despite the wind and waves, I am not moving. This special root is called the prop root. In addition to the commonly seen species such as Ficus microcarpa and some species of the palmae family, the air root group that is as straight, smooth, robust, and interesting as it has special gas roots is rarely seen in foliage plants. Incidentally, in Wenchang City, Hainan Island, there is a kind of long-leaved buckwheat growing on the coastal slopes, which is commonly known as “covered thornsâ€. The plant height is more than 2 meters. Leaves are clustered but do not rotate, and the leaf sword shape is as long as 1 meter. Many leaf edges also have sharp thorns, and the leaves are all green. The leaves picked by the local farmers are dried and woven into mats. The crops are spread on the ground and sun dried. The crops meet the rain and they are fast and clean. They have the charm of sweeping everything. The stem base of the plant also grows a lot of air roots. When it reaches the ground, it forms prop roots, but it is not as rough, quirky and interesting as the red thorn dew pocket. It is a dioecious plant. The female flower bears aggregate fruit and looks very similar at a distance. Eat pineapple, cute, but unfortunately can only see can not eat, so call it a fake pineapple. The red thorn exposed in the Guangzhou Flower Research Center has been growing for more than 10 years. The plant height has reached more than 5 meters. However, it has not yet seen flowering and firmness. Why? It is the temperature that has not yet been met, or it is less than the age, leaving a mystery to be revealed. The breeding of red thorny pockets can be done by sowing or ramification. Seed germination temperature 24 ~ 280C, late spring to summer for the sowing period; plant germination of the hair roots grow into a new plant, cut too long leaves, you can plant ramets, easy to survive, planting in Guangzhou should choose sunshine Adequate, well-drained sandy loam is suitable, the suitable temperature for growth is 23-320C, and the overwintering temperature is above 70C. Although it has drought-resistance habits, high temperature and high humidity are more favorable for its growth. From years of observation, when winter comes, the tips of its leaves are dry, and if the leaves are long and not pruned, the appearance of “lookers†and “loss of strength†give people a sense of dejection. This is its deficiency. At the same time, its leaves are quite beautiful in design. Its gas roots are more rigid and straightforward. They dare to hit hard and penetrate the righteousness of the soil. They give people a beautiful enjoyment and understand the truth of life. This is its charm and intriguing. Department. The red thorn dew pockets are suitable for gardens and lawns, and are suitable for greenery such as gardens and lawns. As a background plant, they play an embellishment and are very chic. They also show their potential for added value, such as for tree growing or street planting. , it has lost the beauty of the individual. Secondly, the cultivation of its seedlings in pots is also an extremely valuable indoor foliage plant. However, after watching the crops for a period of time, they should be transplanted and planted in the open gardens of the garden. Wind color.
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