龙血树原产于非洲,是一种热带常绿乔木。它的树皮一旦被割破,便会流出殷红的树脂,因而得名。它树龄可高达8000年,被誉为“植物寿星”。在炎热干旱平均气温达到40℃的非洲,它是如何做到的呢?答案是珍惜每一滴水。它的形状好似蘑菇,上面成伞状,有很多好处,可以遮挡阳光,防止根部被太阳直射,避免伤害。最关键的是,遇到有雾飘过来的时候,能增加吸水面积。等短暂的雾气散去,毒辣的太阳出来的时候,龙血树把树叶收集的水分,从各个树枝往根部输送,在那里储存起来。如果不小心,有几滴落在地上,龙血树密集的树根立刻 Dragon tree native to Africa, is a tropical evergreen tree. Once its bark is cut, it will flow out of the red resin, hence the name. Its age can be as high as 8,000 years, known as “plant longevity ”. How is it done in Africa, where the average temperature in hot, dry arid reaches 40? The answer is to treasure every drop of water. Its shape resembles mushrooms, with an umbrella shape on top, which has many benefits that can shield the sun from the sun and prevent the roots from damaging. The most critical is that when encountered in the fog drifting over, can increase the water absorption area. When the short mist is dispersed and the venomous sun comes out, the dracaena leaves the water collected by the leaves, transported from the branches to the roots and stored there. If you accidentally, a few drops fell on the ground, the dragon tree dense roots immediately