What are Facts about Cactus Plant?
There are more than 2000 cactus plant varieties which are found in various colors, shapes and forms. Some unique features of cactus plant species are as follows: The cactus plants species are known as succulents as its organs like the stems, roots and leaves can store water during the rainy season so that the plant can survive during the drought period. This is possible because the thick stems of cactus consist of spongy tissue that can hold water. Moreover, it forces the water down into the roots and do not let it come to its surface. It is coated with a waxy substance that can prevent evaporation of water. As we have already discussed, spines of cactus results from its modified leaves and they grow from specialized structures called the areoles. The size of the spines can vary from species to species and they can be as long as 15 cm. As the leaves are shrunk, they prevent loss of water through transpiration. Some cacti spines are light in color which help them to reflect maximum sunl
