Final answer:
The Weeping Willow is a tree that grows best near bodies of water and is characterized by its long thin leaves and drooping branches that resembles a mourning appearance.
Step-by-step explanation:
The tree you're referring to is the Weeping Willow. This tree species is usually found in moist soils, thus making it thrive near bodies of water. It is easily identified by its long, thin leaves and drooping branches that give a mournful or 'weeping' appearance. Beyond just thriving near water, the Weeping Willow is also effective in preventing soil erosion along the banks of water bodies because its extensive root system firmly holds the soil in place.
Learn more about Weeping Willow