沙漠中的绝缘体----绿色(胡杨、仙人掌、芦荟、红柳)

     胡杨曾广布在地中海、中东以及我国西北的广大地区，后来渐渐减少。目前，只在我国新疆塔克拉玛干大沙漠边缘还保留着一片世界上罕见的天然胡杨林。这是新疆有名的三大自然林区之一，有33万多公顷。这片胡杨林是我国沙漠地区的宝贵财富。
Populus euphratica was widely distributed in Mediterranean, Middle East and northwest China, and then gradually decreased. At present, there is a rare natural Populus euphratica forest in the world only on the edge of Taklimakan Desert in Xinjiang, China. This is one of the three famous natural forest areas in Xinjiang, with more than 330,000 hectares. This Populus euphratica forest is a valuable asset in desert areas of China.

      仙人掌科仙人掌属植物，仙人掌科缩刺仙人掌的变种，被称为“沙漠英雄花”。
它分布于南美洲、非洲、中国南方及东南亚，常生长于沙漠等干燥环境中，喜强烈光照，耐炎热，干旱、瘠薄，其上部分枝宽倒卵形、倒卵状椭圆形或近圆形，倒刺直立。生于河谷地区，常栽培于村庄、园边。分布于广西、四川、贵州、云南等地。
        Cactus of Cactus, a variety of Cactus of Cactus, is called "Desert Hero Flower".
It is distributed in South America, Africa, South China and Southeast Asia, and often grows in dry environments such as deserts. It likes strong light, is resistant to heat, drought and barren, and some of its branches are oval, oval or nearly round in width, and its barbs are upright. Born in valley areas, often cultivated in villages and gardens. Distributed in Guangxi, Sichuan, Guizhou, Yunnan and other places.
 

      芦荟原产于非洲热带干旱地区，分布几乎遍及世界各地。在印度和马来西亚一带、非洲大陆和热带地区都有野生芦荟分布。在中国福建、台湾、广东、广西、四川、云南等地有栽培，也有野生状态的芦荟存在。芦荟的野生品种至少有300种以上，其中非洲大陆就有250种左右，马达加斯加约有40种，其余10种分布在阿拉伯等地。
      Aloe vera is native to tropical arid areas of Africa and distributed almost all over the world. Wild aloe vera is distributed in India and Malaysia, African continent and tropical areas. Aloe vera is cultivated in Fujian, Taiwan Province, Guangdong, Guangxi, Sichuan, Yunnan and other places in China, and also exists in the wild state. There are at least 300 wild aloe species, including about 250 species in Africa, about 40 species in Madagascar, and the remaining 10 species in Arabia and other places.

      红柳又称多枝柽柳（学名：Tamarix ramosissima Lcdcb）柽柳科柽柳属灌木或小乔木。高1-6米；枝条细瘦，红棕色；叶披针形、长2-5厘米，总状花序密生在当年生枝上，组成顶生大圆锥花序；果实为蒴果三角状圆锥形。产于中国西北、东北、华北；蒙古，苏联，伊朗，阿富汗。温带及亚热带树种，喜光、耐旱、耐寒，较耐水湿，耐修剪、刈割。
多枝柽柳属于中亚、西亚成分，是中国荒漠地区广泛分布的植物之一，具有较强的适应干旱荒漠环境的特征；不仅是优良的防风固沙植物，同时还是水土保持树种和盐碱地的绿化造林树种，而且还是良好的薪炭、编制和建筑用材。
     Red willow is also known as Tamarix ramosissima Lcdcb, a shrub or small tree of Tamarix in Tamarix family. 1-6 meters high; Branches are thin and reddish brown; The leaves are lanceolate and 2-5cm long, and the racemes are densely distributed on the branches of the current year, forming a terminal large panicle; The fruit is triangular and conical. Produced in northwest, northeast and north China; Mongolia, Soviet Union, Iran, Afghanistan. Temperate and subtropical tree species, light-loving, drought-tolerant, cold-tolerant, water-and-humidity-resistant, pruning and cutting-resistant.
Tamarix ramosissima, which belongs to Central Asia and West Asia, is one of the widely distributed plants in desert areas of China, and has strong characteristics of adapting to arid desert environment. It is not only an excellent wind-proof and sand-fixing plant, but also a tree species for soil and water conservation and afforestation in saline-alkali land, and also a good firewood, preparation and building material.