Pachycereus
Botanical name: Pachycereus
Pachycereus
Botanical name: Pachycereus
Species of Pachycereus
Senita Cactus
Senita Cactus (Pachycereus schottii) is a large, relatively rare cactus species that grows throughout the arid deserts of the American southwest. The senita Cactus originates in Baja California. This species has a beneficial relationship with the senita moth, which pollinates the cactus and eats the flowers during its larval stage.
Mexican fence post cactus
As its name implies, the mexican fence post cactus can grow quite tall; it can grow up to 15 meters in the wild and 5 meters in cultivation. In landscaping, this cactus is often used as a fence or a barrier. In the wild, it can hold large amounts of water, helping small animals and even humans to rehydrate in the desert.
Mexican giant cactus
The mexican giant cactus has tall columns that can grow to an impressive 20 m, making it the largest of all cacti. Its white flowers are unusual, opening in the late afternoon and then closing in the morning to protect them from the afternoon heat. Despite its size, this cactus can grow on bare rock because of its symbiotic relationship with bacteria.
Hairbrush
Hairbrush is a famous and picturesque cactus native to Mexico that grows 7 to 15 m tall. In some parts of Mexico, hairbrush is pollinated during the night by nectar-feeding bats. The fruit of hairbrush is edible and it was often used as food by the Maya people. They also used the fruit as a comb, hence the common name.
Care Guide for Pachycereus
Scientific Classification
Phylum
Vascular plants Class
Dicotyledons Order
Pinks, cacti, and allies Family
Cactuses Genus
Pachycereus 
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