Rolling cypress Alias: juniper, a grasp, tiger's claw, everlasting grass, perpetual pine, nine deaths to return to the soul of the grass, wind rolling grass. 1, the survival of the South American cypress needs sufficient water, when the water is not enough, it will pull out the roots from the soil, so that the whole body is rolled into a ball, due to the light, as long as there is a little bit of wind, it will be with the romantic song rolling on the ground. Once rolled to the place of sufficient moisture, the ball will quickly open, the roots re-drilled into the soil, temporarily settled down. When the water is once again insufficient, live not satisfactory, it will continue to wander in search of sufficient water. 2, the American cypress is even more peculiar, they can shrink into a ball in the drought, rolling with the wind, encountered a water place, it stretches to begin to grow, lack of water and began to travel, so it is also known as the "traveling plant. /view/20905.html?wtp=tt /i?ct=201326592&cl=2&lm=-1&tn=baiduimage&fr=&pv=&word=%BE%C5%CB%C0%BB%B9%BB%EA%B2% DD&z=0%C5%CB%C0%BB%B9%BB%EA%B2% DD&z=0%C5%CB%C0%BB%B9%BB%EA%B2 DD&z=0&fm=rs1&rst=0