![]() ![]() Mesquite trees, buckwheat bush, ferns and black sage have deep roots and fleshy leaves that retain the moisture and now an international team is getting to the bottom of a phenomenon that has baffled scientists for decades. ![]() ![]() Other varieties include grasses, annuals and perennial shrubs, the team said. The purple pata de guanaco and yellow ananuca are among more than 200 species of plants that bloom in the region, thriving in an inhospitable environment that averages just 0.01 centimeters of rainfall a year. The coastal desert is sandwiched between the Pacific coast and the Andes mountains, and is an arid plateau, but, come springtime a corner is covered in a carpet of flowers.
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