Alja21081970 Weeping willow. It grows along the banks of reservoirs. drip "tears" With its leaves. What makes the willows weep? Since willow grows mainly in ponds, the roots of it submerged in water that gets in excess of willow. And the air near a lake or river - wet. Natural evaporation is extremely small, the water in the leaves is delayed, and the water from the roots with beneficial minerals does not reach. At a time when the root absorbs more water than evaporates krona, willow drains excess water through the leaves, that is "crying"