The age of a cactus may be determined by measuring its height. In the case of the saguaro cactus, the most popular variety, it can reach up to an average of 40 feet tall in its lifetime.Know More
The saguaro cactus that is typically seen in the Sonoran Desert of the American West can grow to be quite tall. In fact, the tallest of this type of cactus grew to be 78 feet tall. Looking at the height of the cactus is a way to determine its age. The cactus has several spiny "arms" that come off of its trunk, though the height is measured at the tallest part of it. It may take up to 10 years for this cactus to grow just 1 inch. By the time it is about 95 to 100 years old, the cactus will be about 15 feet tall. The cactus will reach its full height at around 200 years old, when it will be about 40 to 45 feet tall. It is the largest cactus in all of the United States.
The saguaro cactus is an important icon of the American West. It is especially important to the Tohono O'Odham tribe, who view the saguaro cacti as highly respected members of their tribe. They only will grow in southern Arizona, and they are native only to the Sonoran Desert. This cactus will grow anywhere from sea level to 4,000 feet in elevation.Learn More
The cactus is a plant that flowers, and the blooms generate fruit that bears seeds; it is the seeds that end up leading to new cactus plants. Bats provide the pollination for some species of cactus, and the flowers bloom in the spring each year. It is also possible to grow a cactus from broken fragments of an existing cactus, but the new plant is genetically identical.Full Answer >
The nopal cactus, or prickly pear cactus, comprises a variety of species of Opuntia that are native to and grow extensively throughout Mexico, as well as the southwestern desert regions of the United States. The cactus is a common part of Mexican cuisine and is also taken medicinally.Full Answer >
Cacti produce their food through photosynthesis that occurs in their pads, which are modified stems. Evolution has modified their leaves into spines that provide shade for the pads and break up the wind to reduce evaporation through the skin of the stems.Full Answer >
The cactus is a member of the taxonomic family Cactaceae, a group of succulent plants that perform photosynthesis in their stems instead of in their leaves. Many species are able to survive in extremely dry environments by storing water in their stems.Full Answer >