I. Detailed explanation and its source
1 refers to the leaves of Acorus calamus, which are as slender as swords. From Li Xianyong's "Pushing the Spring Forest with Yin Ya": "Liu Mei weeps low, Park Jian draws at the beginning."
2, refers to the sword with pu. During the Dragon Boat Festival, people will hang old customs on their doors to ward off evil spirits. From Fu Cha Dunchong's "Yanjing Year Acorus calamus Dwarf": "Putting Acorus calamus and Dwarf at the door at noon to show bad omen is also the legacy of Ai Hu's general lesson."
Second, the word segmentation explanation
1, Pu: perennial herb, born in a pond, nearly two meters high. Roots grow in the mud and can be eaten. The leaves are long and sharp, which can be used to make summer sleeping mats and fans. Summer yellow flowers (also known as cattail): cattail pollen, cattail stick, cattail grass, cattail velvet and cattail fan; Refers to "Acorus calamus": Pujie and Puyue (referring to the fifth month of the lunar calendar).
2. Sword: an ancient weapon: sword, long sword, scabbard, fencing, tense (describing tense situation, explosive, later also referred to as calligraphy), carving a boat to seek a sword.
The role of Pujian:
1, ecological restoration
Plant construction is often used for ecological restoration. Its roots can effectively fix the soil and prevent soil erosion. At the same time, the stems and leaves of Pujian can adsorb pollutants in wastewater and purify water quality. Therefore, in the treatment of water pollution problems such as lakes and ponds, Pujian can be planted to improve water quality.
2. Landscape design
In addition to ecological restoration, plant construction is often used for landscape design. Its tall and straight stems and leaves form a unique three-dimensional shape, which can increase the layering and three-dimensional sense of the landscape. The general inflorescence of plants presents a silky soft texture when it is open, giving people an elegant and elegant feeling. Planting Pujian in lakesides, flower beds, courtyards and other places can create a pleasant atmosphere.
3, the role of stem
Besides, Pu Shu has other uses. Its stem can extract fiber, which is used to weave various folk handicrafts such as futon, summer sleeping mat and straw hat. The inflorescence of the plant Pujian can also be used to make dried flowers, green plant flower arrangements and other decorations.