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A saguaro can absorb and store considerable amounts of rainwater, visibly expanding in the process, while slowly using the stored water as needed. This characteristic enables the saguaro to survive during periods of drought. It is a keystone species, and provides food and habitat to a large number of species.
A cactus (pl.: cacti, cactuses, or less commonly, cactus) [3] is a member of the plant family Cactaceae (/ k æ k ˈ t eɪ s i. iː,-ˌ aɪ /), [a] a family of the order Caryophyllales comprising about 127 genera with some 1,750 known species. [4]
Ariocarpus fissuratus (formerly known as Anhalonium fissuratus) is a species of cactus found in small numbers in northern Mexico and Texas in the United States. Common names include living rock cactus , false peyote , chautle , [ 3 ] dry whiskey and star cactus .
A xerophyte (from Greek ξηρός xeros 'dry' + φυτόν phuton 'plant') is a species of plant that has adaptations to survive in an environment with little liquid water. . Examples of xerophytes include cacti, pineapple and some gymnosperm pl
Desert ecology is the study of interactions between both biotic and abiotic components of desert environments. A desert ecosystem is defined by interactions between organisms, the climate in which they live, and any other non-living influences on the habitat. Deserts are arid regions that are generally associated with warm temperatures; however ...
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A desert depression is caused by polygenetic factors such as wind erosion, broad shallow warping and block faulting, stream erosion, karst activity, salt weathering mass wasting, and zoogenic processes; representative examples are the large enclosed basins in Africa, such as Farafra, Baharia, Dakhla, Qattara, Siwa and Kargha.
Flowers appear at the top of the plant only after many years. The barrel cactus can live to be over 100 years old. Barrel cactus buds typically start to bloom in April with a bright yellow or orange flower. Pink and red varieties also exist but occur less frequently. The flowers only appear on the very top of the plant.