 | | Trees: Cactus | | Cactus | True cactus of the family Cactaceae are very useful ornamentals comprising much of the group known as succulents. Succulents are any plant species which stores water in thick, watery leaves or stems. Most are drought tolerant.
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 | | Trees: Cactus | | Cactus and Succulents | Many other succulent plant species, such as jade tree, are often identified with cacti. The family Cactaceae exhibits swollen green stems which perform photosynthesis and store moisture.
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