0
yes
Simply because evolution has adapted it to it's environment.
Beets, chard, palak, perpetual spinach chard, epazote, goosefoot, quinoa, and spinach.
Found this link, thought it would be of use. :)
http://www.texasbeyondhistory.net/st-plains/nature/images/chenopod.html
A chenopod is a type of flowering plant that belongs to the family Chenopodiaceae. Common examples include spinach, beets, and quinoa. These plants are often salt-tolerant and can thrive in arid environments.